Breeding
Seasons
Animal Migration
Nesting Behavior
Charadriiformes
Songbirds
Animal Husbandry
Passeriformes
Selection, Genetic
Fertility
Crops, Agricultural
Crosses, Genetic
Quantitative Trait, Heritable
Genetic Markers
Models, Genetic
DNA Shuffling
Cattle
Microsatellite Repeats
Sheep
Population Dynamics
Ecosystem
Spheniscidae
Genotype
Environment
Sparrows
Weaning
Falconiformes
Phenotype
Feathers
Disease Resistance
Estrus
Pregnancy
Agriculture
Geography
Anestrus
Endangered Species
Chromosomes, Plant
Hybridization, Genetic
Herpestidae
Animals, Domestic
Chromosome Mapping
Swallows
Insect Vectors
Social Dominance
Body Weight
Photoperiod
Starlings
Species Specificity
Triticum
Genetics, Population
Oryza sativa
Lactation
Animals, Wild
Pregnancy, Animal
Swine
Conservation of Natural Resources
Humpback Whale
Seeds
Zea mays
Larva
Oviposition
Insemination, Artificial
Brachiaria
Hybrid Vigor
Molting
Alleles
Aedes
Anseriformes
Mosquito Control
Luteinizing Hormone
Competitive Behavior
Estrus Synchronization
Polymorphism, Single Nucleotide
Pair Bond
Feeding Behavior
Arvicolinae
Hawks
Mole Rats
Ecology
Genome
Progesterone
Marsupialia
Biological Evolution
Climate
Sequence Analysis, DNA
Hip Dysplasia, Canine
Seals, Earless
Droughts
Horses
Mortuary Practice
Parrots
Cooperative Behavior
Testis
Bayes Theorem
Predatory Behavior
Cichlids
Mating Preference, Animal
Entomology
Homing Behavior
Deer
Expressed Sequence Tags
Eagles
Oviparity
Models, Biological
Raptors
Sheep, Domestic
Testosterone
Disease Vectors
Pedigree
Aquaculture
Livestock
Antelopes
Food Quality
Meat
Eucalyptus
Milk
Musa
Parity
Crows
Inheritance Patterns
Tropical Climate
Tetraploidy
Fur Seals
Genetic Linkage
Animal Distribution
Yukon Territory
Macropodidae
Analysis of Variance
Goats
Amplified Fragment Length Polymorphism Analysis
Genetic Fitness
Poaceae
Polyploidy
Parasitic Diseases, Animal
Genetic Loci
Plant Leaves
Cattle Diseases
Aggression
Rosaceae
Least-Squares Analysis
Trees
Bufonidae
Laboratory Animal Science
Animal Identification Systems
Sex Characteristics
Culicidae
Polymorphism, Genetic
Prunus
Sorghum
Remote Sensing Technology
Plants, Genetically Modified
Plant Proteins
Early induction of angiogenetic signals in gliomas of GFAP-v-src transgenic mice. (1/4007)
Angiogenesis is a prerequisite for solid tumor growth. Glioblastoma multiforme, the most common malignant brain tumor, is characterized by extensive vascular proliferation. We previously showed that transgenic mice expressing a GFAP-v-src fusion gene in astrocytes develop low-grade astrocytomas that progressively evolve into hypervascularized glioblastomas. Here, we examined whether tumor progression triggers angiogenetic signals. We found abundant transcription of vascular endothelial growth factor (VEGF) in neoplastic astrocytes at surprisingly early stages of tumorigenesis. VEGF and v-src expression patterns were not identical, suggesting that VEGF activation was not only dependent on v-src. Late-stage gliomas showed perinecrotic VEGF up-regulation similarly to human glioblastoma. Expression patterns of the endothelial angiogenic receptors flt-1, flk-1, tie-1, and tie-2 were similar to those described in human gliomas, but flt-1 was expressed also in neoplastic astrocytes, suggesting an autocrine role in tumor growth. In crossbreeding experiments, hemizygous ablation of the tumor suppressor genes Rb and p53 had no significant effect on the expression of VEGF, flt-1, flk-1, tie-1, and tie-2. Therefore, expression of angiogenic signals is an early event during progression of GFAP-v-src tumors and precedes hypervascularization. Given the close similarities in the progression pattern between GFAP-v-src and human gliomas, the present results suggest that these mice may provide a useful tool for antiangiogenic therapy research. (+info)Morphometric study of the equine navicular bone: variations with breeds and types of horse and influence of exercise. (2/4007)
Navicular bones from the 4 limbs of 95 horses, classified in 9 categories, were studied. The anatomical bases were established for the morphometry of the navicular bone and its variations according to the category of horse, after corrections were made for front or rear limb, sex, weight, size and age. In ponies, navicular bone measurements were smallest for light ponies and regularly increased with body size, but in horses, navicular bone dimensions were smallest for the athletic halfbred, intermediate for draft horse, thoroughbreds and sedentary halfbreds and largest for heavy halfbreds. The athletic halfbred thus showed reduced bone dimensions when compared with other horse types. Navicular bones from 61 horses were studied histomorphometrically. Light horses and ponies possessed larger amounts of cancellous bone and less cortical bone. Draft horses and heavy ponies showed marked thickening of cortical bone with minimum intracortical porosity, and a decrease in marrow spaces associated with more trabecular bone. Two distinct zones were observed for the flexor surface cortex: an external zone composed mainly of poorly remodelled lamellar bone, disposed in a distoproximal oblique direction, and an internal zone composed mainly of secondary bone, with a lateromedial direction for haversian canals. Flexor cortex external zone tended to be smaller for heavy ponies than for the light ponies. It was the opposite for horses, with the largest amount of external zone registered for draft horses. In athletic horses, we observed an increase in the amount of cortical bone at the expense of cancellous bone which could be the result of reduced resorption and increased formation at the corticoendosteal junction. Cancellous bone was reduced for the athletic horses but the number of trabeculae and their specific surfaces were larger. Increased bone formation and reduced resorption could also account for these differences. (+info)Estimating the effective number of breeders from heterozygote excess in progeny. (3/4007)
The heterozygote-excess method is a recently published method for estimating the effective population size (Ne). It is based on the following principle: When the effective number of breeders (Neb) in a population is small, the allele frequencies will (by chance) be different in males and females, which causes an excess of heterozygotes in the progeny with respect to Hardy-Weinberg equilibrium expectations. We evaluate the accuracy and precision of the heterozygote-excess method using empirical and simulated data sets from polygamous, polygynous, and monogamous mating systems and by using realistic sample sizes of individuals (15-120) and loci (5-30) with varying levels of polymorphism. The method gave nearly unbiased estimates of Neb under all three mating systems. However, the confidence intervals on the point estimates of Neb were sufficiently small (and hence the heterozygote-excess method useful) only in polygamous and polygynous populations that were produced by <10 effective breeders, unless samples included > approximately 60 individuals and 20 multiallelic loci. (+info)The importance of genetic diversity in livestock populations of the future. (4/4007)
Farm animal genetic diversity is required to meet current production needs in various environments, to allow sustained genetic improvement, and to facilitate rapid adaptation to changing breeding objectives. Production efficiency in pastoral species is closely tied to the use of diverse genetic types, but greater genetic uniformity has evolved in intensively raised species. In poultry, breeding decisions are directed by a few multinational companies and involve intense selection, the use of distinct production lines, and very large populations. In dairy cattle, the Holstein breed dominates production. Intensive sire selection is leading to relatively rapid inbreeding rates and raises questions about long-term effects of genetic drift. Key questions in management of farm animal genetic diversity involve the distribution of potentially useful quantitative trait locus alleles among global livestock breeds. Experiments with tomato, maize, and mice suggest that favorable alleles can exist in otherwise lowly productive stocks; this cryptic variation may potentially contribute to future selection response. Genetic improvement under relatively intense unidirectional selection may involve both increases in the frequency of favorable additive alleles as well as the progressive breakdown of homeostatic regulatory mechanisms established under the stabilizing selection that is characteristic of natural populations. Recombination among closely linked regulatory loci and new, potentially favorable mutations are possible sources of long-term genetic variation. A greater understanding of the potential that these alternative mechanisms have for supporting long-term genetic improvement and of genetic relationships among global livestock populations are priorities for managing farm animal genetic diversity. (+info)Evaluation of carcass, live, and real-time ultrasound measures in feedlot cattle: I. Assessment of sex and breed effects. (5/4007)
Carcass and live-animal measures from 1,029 cattle were collected at the Iowa State University Rhodes and McNay research farms over a 6-yr period. Data were from bull, heifer, and steer progeny of composite, Angus, and Simmental sires mated to three composite lines of dams. The objectives of this study were to estimate genetic parameters for carcass traits, to evaluate effects of sex and breed of sire on growth models (curves), and to suggest a strategy to adjust serially measured data to a constant age end point. Estimation of genetic parameters using a three-trait mixed model showed differences between bulls and steers in estimates of h2 and genetic correlations. Heritability for carcass weight, percentage of retail product, retail product weight, fat thickness, and longissimus muscle area from bull data were .43, .04, .46, .05, and .21, respectively. The corresponding values for steer data were in order of .32, .24, .40, .42, and .07, respectively. Analysis of serially measured fat thickness, longissimus muscle area, body weight, hip height, and ultrasound percentage of intramuscular fat using a repeated measures model showed a limitation in the use of growth models based on pooled data. In further evaluation of regression parameters using a linear mixed model analysis, sex and breed of sire showed an important (P < .05) effect on intercept and slope values. Regression of serially measured traits on age within animal showed a relatively larger R2 (62 to 98%) and a smaller root mean square error (RMSE, .09 to 8.85) as compared with R2 (0 to 58%) and RMSE (.31 to 67.9) values when the same model was used on pooled data. We concluded that regression parameters from a within-animal regression of a serially measured trait on age, averaged by sex and breed, are the best choice in describing growth and adjusting data to a constant age end point. (+info)Comparison of three weaning ages on cow-calf performance and steer carcass traits. (6/4007)
An experiment was conducted to compare three weaning ages on cow-calf performance and steer carcass traits. Crossbred steers (n = 168; 1/2 Simmental x 1/4 Angus x 1/4 Hereford) were randomly assigned to three treatments with eight pens per treatment: groups were 1) weaned at an average of 90 d of age (90 +/- 13 d) and placed in the feedlot, 2) weaned at an average of 152 d of age (152 +/- 13 d) and placed in the feedlot, and 3) weaned at an average of 215 d of age (215 +/- 13 d) and placed in the feedlot. The number of days steers were finished decreased by 55 and 38 d (linear, P = .0001) as weaning age increased when slaughtered at a constant fat end point (.81 cm). Weaning at an average of 90 and 152 d of age improved overall ADG by .15 and .07 kg/d, respectively, over weaning at an average of 215 d of age (linear, P = .005). Over the entire finishing period, intake increased (linear, P = .0006) and efficiency was poorer (linear, P = .004) as weaning age increased. Owing to differences in finishing days and intake, total concentrate consumed increased (linear, P = .03) as weaning age decreased. No differences (P > .21) were observed for carcass weight, longissimus muscle area, or yield grade. No differences (P > .19) were observed in marbling score or percentage of steers grading greater than or equal to Choice or Average Choice. Cow body condition score improved (linear, P = .0001) as weaning age decreased. Pregnancy rate improved 12 percentage units (linear, P = .15) for cows on the 90-d weaning treatment. In this study, early weaning improved gain and feed efficiency, but it increased total concentrate consumed. (+info)Effects of milk yield on biological efficiency and profit of beef production from birth to slaughter. (7/4007)
Effect of milk yield (MY) on biological efficiency and gross margin as an indicator of profit potential of beef production from birth to slaughter was determined. Data included 9 yr of spring-born single male calves. Biological efficiency was calculated as carcass weight/total feed energy intake, including nonlactating and lactating intakes of cow and creep and feedlot intakes of calf. Slaughter end point was finish constant at 9 mm of fat thickness. Gross margin was determined as returns minus feed costs. Three breeding systems were analyzed: purebred Hereford (HE), large rotational (LR), and small rotational (SR). Analyses were performed separately by breeding system when differences in the effect of MY among breeding systems were significant. Increased MY was associated with increased preweaning gain (P < .001), increased weight at start of feedlot trial (P < .001), and increased hot carcass weight (P < .05). No significant (P > .10) effect of MY on age at slaughter or on carcass weight per day of age at slaughter was found. Increased MY was associated with increased cow lactating energy intake (P < .10) and negatively associated with calf creep intake (P < .01). No effects of MY on intake of the cow during the nonlactating period, calf feedlot intake, or total feed intake were found. Increased MY was associated with a reduction in backfat thickness of the cow during the lactating period (P < .01) with no change in body weight. In the subsequent nonlactating period, increasing MY was associated with increased backfat thickness (P < .10) and body weight (P < .05). No effect of MY on change in backfat or weight of cow from calving to the end of the next nonlactating period was found. No effect of MY on biological efficiency to slaughter was detected. Milk yield was positively associated with gross margin from birth to slaughter (P < .05); results were similar when cow feed prices were reduced by 30%. Increased MY was associated with increased biological efficiency to weaning in HE (P < .01) and SR (P < .10), with no effect found in LR. When feeding cows to requirements, milk yield has a positive effect on the profit potential of beef production from birth to slaughter. (+info)Modulation of allospecific CTL responses during pregnancy in equids: an immunological barrier to interspecies matings? (8/4007)
Maternal immune recognition of the developing conceptus in equine pregnancy is characterized by the strongest and most consistent alloantibody response described in any species, a response directed almost exclusively against paternal MHC class I Ags. This work investigated the cellular immune response to paternal MHC Ags in pregnant and nonpregnant horses and donkeys, and in horses carrying interspecies hybrid mule conceptuses. We observed profound decreases in classical, MHC-restricted, CTL activity to allogeneic paternal cells in peripheral blood lymphocytes from both horse mares and donkey jennets carrying intraspecies pregnancies, compared with cells from nonpregnant controls. This is the first evidence in a randomly bred species for a generalized systemic shift of immune reactivity away from cellular and toward humoral immunity during pregnancy. Surprisingly, mares carrying interspecies hybrid mule conceptuses did not exhibit this transient, pregnancy-associated decrease in CTL activity. The failure of interspecies pregnancy to down-regulate cellular immune responses may be a heretofore-unrecognized, subtle barrier to reproductive success between species. (+info)1. Innate immunity: This is the body's first line of defense against infection, and it involves the recognition and elimination of pathogens by cells and proteins that are present from birth.
2. Acquired immunity: This type of immunity develops over time as a result of exposure to pathogens, and it involves the production of antibodies and other immune cells that can recognize and eliminate specific pathogens.
3. Cell-mediated immunity: This is a type of immunity that involves the activation of immune cells, such as T cells and macrophages, to fight off infection.
4. Genetic resistance: Some individuals may have a genetic predisposition to disease resistance, which can be influenced by their ancestry or genetic makeup.
5. Environmental factors: Exposure to certain environmental factors, such as sunlight, clean water, and good nutrition, can also contribute to disease resistance.
Disease resistance is an important concept in the medical field, as it helps to protect against infectious diseases and can reduce the risk of illness and death. Understanding how disease resistance works can help healthcare professionals develop effective strategies for preventing and treating infections, and it can also inform public health policies and interventions aimed at reducing the burden of infectious diseases on individuals and communities.
Body weight is an important health indicator, as it can affect an individual's risk for certain medical conditions, such as obesity, diabetes, and cardiovascular disease. Maintaining a healthy body weight is essential for overall health and well-being, and there are many ways to do so, including a balanced diet, regular exercise, and other lifestyle changes.
There are several ways to measure body weight, including:
1. Scale: This is the most common method of measuring body weight, and it involves standing on a scale that displays the individual's weight in kg or lb.
2. Body fat calipers: These are used to measure body fat percentage by pinching the skin at specific points on the body.
3. Skinfold measurements: This method involves measuring the thickness of the skin folds at specific points on the body to estimate body fat percentage.
4. Bioelectrical impedance analysis (BIA): This is a non-invasive method that uses electrical impulses to measure body fat percentage.
5. Dual-energy X-ray absorptiometry (DXA): This is a more accurate method of measuring body composition, including bone density and body fat percentage.
It's important to note that body weight can fluctuate throughout the day due to factors such as water retention, so it's best to measure body weight at the same time each day for the most accurate results. Additionally, it's important to use a reliable scale or measuring tool to ensure accurate measurements.
The hip joint is a ball-and-socket joint that connects the thigh bone (femur) to the pelvis. In a normal hip joint, the ball (the head of the femur) fits snugly into the socket (the acetabulum). However, in dogs with hip dysplasia, the ball and socket may not fit together properly, causing the joint to become loose or unstable. This can lead to inflammation, pain, and degenerative changes in the joint over time.
There are two main types of hip dysplasia in dogs: developmental hip dysplasia and degenerative hip dysplasia. Developmental hip dysplasia occurs when the hip joint does not form properly during fetal development, while degenerative hip dysplasia is caused by wear and tear on the joint over time.
The symptoms of hip dysplasia in dogs can vary depending on the severity of the condition, but may include:
* Lameness or difficulty walking
* Pain or discomfort
* Stiffness or limited mobility
* Difficulty rising or climbing stairs
* Decreased activity level or reluctance to exercise
* Grinding or clicking sounds when the dog moves its hip joint
Hip dysplasia is typically diagnosed through a combination of physical examination, radiographs (x-rays), and arthroscopy. Treatment options for the condition may include:
* Medication to manage pain and inflammation
* Weight management to reduce the strain on the joint
* Surgery to repair or replace the damaged joint
* Physical therapy to improve mobility and strength
Preventative measures such as feeding a balanced diet, providing plenty of exercise and weight management can help to reduce the risk of developing hip dysplasia in dogs. However, if the condition does occur, early diagnosis and treatment can help to manage the symptoms and improve the dog's quality of life.
Dystocia is a term used to describe abnormal or difficult labor, which can be caused by a variety of factors such as fetal size, position, or gestational age. It is characterized by slow progress of labor, prolonged labor, or failure of the cervix to dilate adequately. Dystocia can lead to complications such as fetal distress, infection, or excessive maternal bleeding.
There are several types of dystocia, including:
1. Prolonged latent phase dystocia: This is a type of dystocia where the early stages of labor are prolonged, often due to the fetus being in an unfavorable position or having a slower than average rate of growth.
2. Arrest of descent dystocia: In this type of dystocia, the fetus's head is dilated but fails to progress further down the birth canal, often due to fetal distress or abnormal fetal positioning.
3. Cervical dystocia: This type of dystocia occurs when the cervix does not dilate adequately during labor, making it difficult for the baby to pass through the birth canal.
4. Fetal dystocia: This is a type of dystocia where the fetus is unable to move down the birth canal due to its size or position, often causing fetal distress.
5. Maternal dystocia: This type of dystocia occurs when the mother experiences difficulty during labor, such as a narrow pelvis or excessive fatigue.
Dystocia can be caused by a variety of factors, including:
1. Fetal size or position: The fetus may be too large or in an abnormal position, making it difficult to pass through the birth canal.
2. Maternal factors: The mother may have a narrow pelvis, excessive fatigue, or other medical conditions that can cause difficulty during labor.
3. Infection: Infections such as group B strep or urinary tract infections can cause dystocia.
4. Previous uterine surgery: Scar tissue from previous surgeries can make it difficult for the fetus to pass through the birth canal.
5. Placental problems: Abnormalities with the placenta, such as placenta previa or placental abruption, can cause dystocia.
Dystocia can be treated in several ways, depending on the underlying cause. These may include:
1. Prostaglandin: This medication is used to stimulate contractions and soften the cervix, making it easier for the fetus to pass through the birth canal.
2. Oxytocin: This hormone can be used to stimulate uterine contractions and help the baby move down the birth canal.
3. Forceps or vacuum extraction: These instruments may be used to assist with delivery, especially if the baby is experiencing fetal distress.
4. Cesarean section: In some cases, a C-section may be necessary if dystocia cannot be resolved through other means.
5. Fetal monitoring: Close monitoring of the fetus's heart rate and other vital signs can help identify any issues that may arise during labor.
It is important to note that dystocia can increase the risk of complications for both the mother and baby, such as fetal distress, infection, and postpartum hemorrhage. Therefore, it is crucial to seek medical attention immediately if signs of dystocia are present or if labor is not progressing as expected.
Tetraploidy can be caused by various factors such as:
1. Polyploidy: This is a condition where an individual has more than two sets of chromosomes, including tetraploidy.
2. Chromosomal abnormalities: Such as aneuploidy, where there is an extra or missing copy of a specific chromosome.
3. Genetic disorders: Such as Down syndrome, which is caused by an extra copy of chromosome 21.
4. Environmental factors: Exposure to certain chemicals or radiation can increase the risk of tetraploidy.
Symptoms of tetraploidy can vary depending on the severity of the condition and may include:
1. Growth delays: Children with tetraploidy may experience slowed growth and development.
2. Intellectual disability: Some individuals with tetraploidy may have cognitive impairments and learning difficulties.
3. Physical abnormalities: Tetraploidy can result in a variety of physical characteristics, such as short stature, thinning hair, and distinctive facial features.
4. Increased risk of health problems: Individuals with tetraploidy may be more susceptible to certain health issues, such as heart defects, hearing loss, and vision problems.
Diagnosis of tetraploidy is typically made through chromosomal analysis, which can be performed on a blood or tissue sample. Treatment for tetraploidy is not always necessary, but may include:
1. Monitoring growth and development: Regular check-ups with a healthcare provider can help track the child's growth and development.
2. Speech and language therapy: Children with tetraploidy may benefit from speech and language therapy to address any communication difficulties.
3. Occupational therapy: Individuals with tetraploidy may need occupational therapy to help them develop skills and abilities.
4. Medication: In some cases, medication may be prescribed to manage associated health problems, such as heart defects or seizures.
It is important to note that every individual with tetraploidy is unique and may have a different experience and outcome. With appropriate medical care and support, many individuals with tetraploidy can lead fulfilling lives.
There are several different types of weight gain, including:
1. Clinical obesity: This is defined as a BMI of 30 or higher, and is typically associated with a range of serious health problems, such as heart disease, type 2 diabetes, and certain types of cancer.
2. Central obesity: This refers to excess fat around the waistline, which can increase the risk of health problems such as heart disease and type 2 diabetes.
3. Muscle gain: This occurs when an individual gains weight due to an increase in muscle mass, rather than fat. This type of weight gain is generally considered healthy and can improve overall fitness and athletic performance.
4. Fat gain: This occurs when an individual gains weight due to an increase in body fat, rather than muscle or bone density. Fat gain can increase the risk of health problems such as heart disease and type 2 diabetes.
Weight gain can be measured using a variety of methods, including:
1. Body mass index (BMI): This is a widely used measure of weight gain that compares an individual's weight to their height. A BMI of 18.5-24.9 is considered normal, while a BMI of 25-29.9 is considered overweight, and a BMI of 30 or higher is considered obese.
2. Waist circumference: This measures the distance around an individual's waistline and can be used to assess central obesity.
3. Skinfold measurements: These involve measuring the thickness of fat at specific points on the body, such as the abdomen or thighs.
4. Dual-energy X-ray absorptiometry (DXA): This is a non-invasive test that uses X-rays to measure bone density and body composition.
5. Bioelectrical impedance analysis (BIA): This is a non-invasive test that uses electrical impulses to measure body fat percentage and other physiological parameters.
Causes of weight gain:
1. Poor diet: Consuming high amounts of processed foods, sugar, and saturated fats can lead to weight gain.
2. Lack of physical activity: Engaging in regular exercise can help burn calories and maintain a healthy weight.
3. Genetics: An individual's genetic makeup can affect their metabolism and body composition, making them more prone to weight gain.
4. Hormonal imbalances: Imbalances in hormones such as insulin, thyroid, and cortisol can contribute to weight gain.
5. Medications: Certain medications, such as steroids and antidepressants, can cause weight gain as a side effect.
6. Sleep deprivation: Lack of sleep can disrupt hormones that regulate appetite and metabolism, leading to weight gain.
7. Stress: Chronic stress can lead to emotional eating and weight gain.
8. Age: Metabolism slows down with age, making it more difficult to maintain a healthy weight.
9. Medical conditions: Certain medical conditions such as hypothyroidism, Cushing's syndrome, and polycystic ovary syndrome (PCOS) can also contribute to weight gain.
Treatment options for obesity:
1. Lifestyle modifications: A combination of diet, exercise, and stress management techniques can help individuals achieve and maintain a healthy weight.
2. Medications: Prescription medications such as orlistat, phentermine-topiramate, and liraglutide can aid in weight loss.
3. Bariatric surgery: Surgical procedures such as gastric bypass surgery and sleeve gastrectomy can be effective for severe obesity.
4. Behavioral therapy: Cognitive-behavioral therapy (CBT) and other forms of counseling can help individuals develop healthy eating habits and improve their physical activity levels.
5. Meal replacement plans: Meal replacement plans such as Medifast can provide individuals with a structured diet that is high in protein, fiber, and vitamins, and low in calories and sugar.
6. Weight loss supplements: Supplements such as green tea extract, garcinia cambogia, and forskolin can help boost weight loss efforts.
7. Portion control: Using smaller plates and measuring cups can help individuals regulate their portion sizes and maintain a healthy weight.
8. Mindful eating: Paying attention to hunger and fullness cues, eating slowly, and savoring food can help individuals develop healthy eating habits.
9. Physical activity: Engaging in regular physical activity such as walking, running, swimming, or cycling can help individuals burn calories and maintain a healthy weight.
It's important to note that there is no one-size-fits-all approach to treating obesity, and the most effective treatment plan will depend on the individual's specific needs and circumstances. Consulting with a healthcare professional such as a registered dietitian or a physician can help individuals develop a personalized treatment plan that is safe and effective.
Polyploidy is a condition where an organism has more than two sets of chromosomes, which are the thread-like structures that carry genetic information. It can occur in both plants and animals, although it is relatively rare in most species. In humans, polyploidy is extremely rare and usually occurs as a result of errors during cell division or abnormal fertilization.
In medicine, polyploidy is often used to describe certain types of cancer, such as breast cancer or colon cancer, that have extra sets of chromosomes. This can lead to the development of more aggressive and difficult-to-treat tumors.
However, not all cases of polyploidy are cancerous. Some individuals with Down syndrome, for example, have an extra copy of chromosome 21, which is a non-cancerous form of polyploidy. Additionally, some people may be born with extra copies of certain genes or chromosomal regions due to errors during embryonic development, which can lead to various health problems but are not cancerous.
Overall, the term "polyploidy" in medicine is used to describe any condition where an organism has more than two sets of chromosomes, regardless of whether it is cancerous or non-cancerous.
1. Heartworms: A parasite that infects the heart and lungs of dogs and cats, causing respiratory problems and potentially leading to heart failure.
2. Tapeworms: A type of parasite that can infect the digestive system of animals, causing weight loss, diarrhea, and other symptoms.
3. Mites: Small, eight-legged parasites that can cause skin irritation and allergic reactions in animals.
4. Lice: Small, wingless parasites that feed on the blood of animals, causing itching and scratching.
5. Hookworms: A type of parasite that can infect the digestive system of animals, causing weight loss, anemia, and other symptoms.
6. Roundworms: A common type of parasite that can infect animals, causing a range of symptoms including diarrhea, vomiting, and weight loss.
7. Ticks: Blood-sucking parasites that can transmit diseases to animals, such as Lyme disease and anaplasmosis.
8. Fleas: Small, wingless insects that feed on the blood of animals, causing itching and scratching.
9. Leishmaniasis: A parasitic disease caused by a protozoan parasite that can infect dogs and other animals, causing skin lesions and other symptoms.
10. Babesiosis: A parasitic disease caused by a protozoan parasite that can infect dogs and other animals, causing fever, anemia, and other symptoms.
Parasitic diseases in animals are often diagnosed through physical examination, laboratory tests, and imaging studies. Treatment options vary depending on the specific disease and the severity of the infection, but may include antiparasitic medications, antibiotics, and supportive care such as fluid therapy and nutritional support. Prevention is key in avoiding parasitic diseases in animals, and this can be achieved through regular deworming and vaccination programs, as well as taking measures to reduce exposure to parasites such as fleas and ticks.
Cattle diseases refer to any health issues that affect cattle, including bacterial, viral, and parasitic infections, as well as genetic disorders and environmental factors. These diseases can have a significant impact on the health and productivity of cattle, as well as the livelihoods of farmers and ranchers who rely on them for their livelihood.
Types of Cattle Diseases
There are many different types of cattle diseases, including:
1. Bacterial diseases, such as brucellosis, anthrax, and botulism.
2. Viral diseases, such as bovine viral diarrhea (BVD) and bluetongue.
3. Parasitic diseases, such as heartwater and gapeworm.
4. Genetic disorders, such as polledness and cleft palate.
5. Environmental factors, such as heat stress and nutritional deficiencies.
Symptoms of Cattle Diseases
The symptoms of cattle diseases can vary depending on the specific disease, but may include:
1. Fever and respiratory problems
2. Diarrhea and vomiting
3. Weight loss and depression
4. Swelling and pain in joints or limbs
5. Discharge from the eyes or nose
6. Coughing or difficulty breathing
7. Lameness or reluctance to move
8. Changes in behavior, such as aggression or lethargy
Diagnosis and Treatment of Cattle Diseases
Diagnosing cattle diseases can be challenging, as the symptoms may be similar for different conditions. However, veterinarians use a combination of physical examination, laboratory tests, and medical history to make a diagnosis. Treatment options vary depending on the specific disease and may include antibiotics, vaccines, anti-inflammatory drugs, and supportive care such as fluids and nutritional supplements.
Prevention of Cattle Diseases
Preventing cattle diseases is essential for maintaining the health and productivity of your herd. Some preventative measures include:
1. Proper nutrition and hydration
2. Regular vaccinations and parasite control
3. Sanitary living conditions and frequent cleaning
4. Monitoring for signs of illness and seeking prompt veterinary care if symptoms arise
5. Implementing biosecurity measures such as isolating sick animals and quarantining new animals before introduction to the herd.
It is important to work closely with a veterinarian to develop a comprehensive health plan for your cattle herd, as they can provide guidance on vaccination schedules, parasite control methods, and disease prevention strategies tailored to your specific needs.
Conclusion
Cattle diseases can have a significant impact on the productivity and profitability of your herd, as well as the overall health of your animals. It is essential to be aware of the common cattle diseases, their symptoms, diagnosis, treatment, and prevention methods to ensure the health and well-being of your herd.
By working closely with a veterinarian and implementing preventative measures such as proper nutrition and sanitary living conditions, you can help protect your cattle from disease and maintain a productive and profitable herd. Remember, prevention is key when it comes to managing cattle diseases.
Low birth weight is defined as less than 2500 grams (5 pounds 8 ounces) and is associated with a higher risk of health problems, including respiratory distress, infection, and developmental delays. Premature birth is also a risk factor for low birth weight, as premature infants may not have had enough time to grow to a healthy weight before delivery.
On the other hand, high birth weight is associated with an increased risk of macrosomia, a condition in which the baby is significantly larger than average and may require a cesarean section (C-section) or assisted delivery. Macrosomia can also increase the risk of injury to the mother during delivery.
Birth weight can be influenced by various factors during pregnancy, including maternal nutrition, prenatal care, and fetal growth patterns. However, it is important to note that birth weight alone is not a definitive indicator of a baby's health or future development. Other factors, such as the baby's overall physical condition, Apgar score (a measure of the baby's well-being at birth), and postnatal care, are also important indicators of long-term health outcomes.
Breeding
Marv Breeding
Fault (breeding)
Dust Breeding
Captive breeding
Molecular breeding
Breeding Death
Brett Breeding
Plant breeding
Cooperative breeding
Breeding Nunatak
Monkey breeding
Breeding back
Tree breeding
Breeding (EP)
Breeding program
Breeding blanket
Breeding pair
Breeding mount
Horse breeding
Mutation breeding
Preservation breeding
Intraspecific breeding
Dog breeding
Breeding, Kentucky
Good breeding
Hotel Breeding
Selective breeding
Animal breeding
Breeding of Mind
Effect of Diosmin on Osteoblast Differentiation
New Monarch butterfly breeding pattern inspir | EurekAlert!
Beagle Dog Breed Information
Mystery Humpback Whale Breeding Ground Discovered? | Live Science
Register of captive-breeding operations | CITES
Poultry Breeding, Farming and Transport | NIOSH | CDC
Breeding values of siblings
Breeding Page | DRF WCMS
Breeding the right kind of cow | MIT Technology Review
Urgent action needed on English Bulldog breeding
Breeding | Equine Science
content/basf/www/tr/en/Media/news-releases/2020/10/p-20-343
Group pushes new super PAC breed - POLITICO
Coordination Could Breed Control in Iraq | RAND
Horse Breeding in Screven Georgia
Breeding Leadership - Australian Wool Innovation
NaturePlus: Science News: Slavonian grebes in the UK: reasons for breeding success
Panda breeding season arrives at DC's National Zoo
Breed Wingman Men's Body Groomer - QVC.com
Dog Breeds That Hunt Mice and Pests
Genetics study aims to net faster-breeding barramundi
Dog Breed Mastiff
Dog - Herding dogs, toys, non-sporting dogs & breed standards | Britannica
12 Common Dog Breeds and Their Health Issues
horse breeding - Unlocking Winners
Genomic-assisted breeding for climate-smart coffee. - Portal Embrapa
Miniature Dachshund | Miniature Dachshund Breed Info
Mosquito2
- Get rid of mosquito breeding sites. (medlineplus.gov)
- Photos of various mosquito breeding sites. (cdc.gov)
Varieties4
- They are the ultimate motive of all our business activities and the reason why we want to make healthy eating enjoyable and sustainable by breeding new varieties that meet their expectations in taste and convenience. (basf.com)
- With the acquisition of the French melon breeding company ASL, BASF will continue to expand its position as a preferred partner in the vegetable value chain, offering highly innovative melon varieties. (basf.com)
- Whether you're interested in finding a rare small dog breed or larger varieties, you can find all the information you need to know here. (purina.com)
- Dogs were first used to assist sheepherders in the 1570s, but other varieties were bred for different herding tasks. (britannica.com)
Plant Breeding1
- The expansion of bean genome technologies has prompted new perspectives on generating resources and knowledge essential to research and implementing biotechnological tools for the practical operations of plant breeding programs. (bvsalud.org)
Selective2
- We are aiming to speed up the process of selective breeding as much as possible and give the operators of selective breeding programs more control over how they breed,' the aquaculture geneticist and PhD Candidate said. (yahoo.com)
- Dogs come in all shapes, sizes, colors, and temperaments, and this diversity has been achieved through selective breeding. (healthline.com)
Populations6
- However, last winter large populations of monarchs were found breeding in the San Francisco and Los Angeles areas. (eurekalert.org)
- The only way to count breeding populations last winter was to look at online citizen scientist observations, supported by limited field work, James said. (eurekalert.org)
- There has been a huge increase in caterpillars in the Bay area, indicating that those populations are breeding," he said. (eurekalert.org)
- The increase in whale populations is something one definitely can hear in the ocean depths during the winter breeding season, as male humpbacks sing during courtship. (livescience.com)
- Trends in grebe breeding success, chironomid abundance and algal populations were analysed against climate data to clarify whether climate was the key factor behind all of these fluctuations. (nhm.ac.uk)
- Il est hautement transmissible et, bien qu'il soit normalement autolimitatif, il pourrait être problématique en raison de son potentiel à provoquer des maladies dans certaines populations humaines. (who.int)
Mosquitoes2
- Heat and rainfall can increase stagnant water, enhancing mosquitoes' breeding and growing grounds and enabling them to transmit many more infections. (medscape.com)
- For example, droughts reduced the breeding grounds of mosquitoes, reducing the prevalence of malaria and chikungunya. (medscape.com)
Flock2
- Some Herding breeds drive the flock by barking, circling, and nipping at the heels, while others simply confront the flock with a silent stare, which also proves effective. (britannica.com)
- On July 23, 2009, in the Valparaiso Region of Chile, 1 flock (A1) from a commercial turkey breeding farm (farm A) started to show a measurable decrease in egg production and shell quality ( Figure 1 ). (cdc.gov)
Companion breed2
- The English Bulldog was originally developed as a muscular and athletic dog for bull-fighting, but over the years has been bred to be a show and companion breed with a short (brachycephalic) skull, protruding jaw, skin folds, and squat, heavy build. (biomedcentral.com)
- Nicknamed as doxies, they hunt (and co-habitat) better in pairs, so adopting more than one of this companion breed for the household is ideal. (marthastewart.com)
Hunt2
- They were bred to hunt in packs, so they enjoy company and are generally easygoing. (akc.org)
- Bred to hunt foxes, voles, and small rodents in England, the Russell Terrier makes for an excellent rodent hunter. (marthastewart.com)
Horses2
- They also serve as purchasing agents for individuals or groups purchasing horses or breedings. (iastate.edu)
- Reproductive researchers - These individuals study the reproductive system of the horse to better understand how it functions and best management for horses in a breeding situation. (iastate.edu)
Wintering grounds1
- A mystery for whale researchers has been where the whales feeding in the summer in the Bering Sea and in the Aleutians off Alaska went in the winter to breed - many just didn't show up in the known wintering grounds," said researcher Marc Lammers, a marine biologist at the University of Hawaii. (livescience.com)
Fluid1
- Even small amounts can be a breeding fluid. (cdc.gov)
Traits2
- Heterosis refers to the tendency for a cross-bred hybrid animal to often have better traits (like weight or longevity) than its parents. (technologyreview.com)
- Hunting traits aside, this breed is often compared to a lamb for its striking resemblance to one. (marthastewart.com)
Humans1
- The Herding breeds are livestock-oriented, although they are versatile in protecting and serving humans in other ways. (britannica.com)
Climate3
- It seems that Monarchs are evolving or adapting, likely to the changing climate, by changing their breeding patterns. (eurekalert.org)
- And seeing this winter breeding, which is something new we saw in Australia in the late 1970s, leads me to think that Monarchs will adapt well to the changing climate in the western US. (eurekalert.org)
- One of the questions of interest was whether grebe breeding success was influenced by climate variability year by year. (nhm.ac.uk)
Favourite2
- A Queensland researcher hopes his plan to speed up barramundi breeding will mean more of the Australian favourite will make it onto plates sooner. (yahoo.com)
- In England the cavalier King Charles spaniel , a bred-down version of a sporting spaniel, was the favourite pet of many royal families. (britannica.com)
Dogs6
- Founded in 1884, the not-for-profit AKC is the recognized and trusted expert in breed, health, and training information for all dogs. (akc.org)
- However, there are known breeds of dogs that will help chase mice, rats, and other vermin away. (marthastewart.com)
- So, which breeds of dogs can assist? (marthastewart.com)
- These dogs, even the compact breeds, are strong and muscular, possessing proud carriage of head and neck. (britannica.com)
- Numerous distinct breeds of Canis lupus familiaris exist today, owing to dogs' remarkable adaptability and genetic fluidity. (healthline.com)
- These findings established the occurrence of dermatophytosis in dogs kept for companionship (i.e., pets), security and breeding purposes in one northern and southern States of Nigeria. (who.int)
Farms2
- Farms may strictly house the studs with the mares brought in for breeding or may offer boarding services for mares from breeding to foaling. (iastate.edu)
- Pandemic (H1N1) 2009 virus was detected in breeding turkeys on 2 farms in Valparaiso, Chile. (cdc.gov)
Show1
- He is now working with citizen scientists to collect more data on winter breeding in California that can show this evolution and adaptability. (eurekalert.org)
Main3
- The primary breeding grounds for humpback whales in the north Pacific are the main Hawaiian Islands, with 8,500 to 10,000 whales migrating to Hawaii every winter. (livescience.com)
- The researchers are now analyzing the structures of the whale songs from the northwestern and main Hawaiian Islands to see if the humpbacks in this new area are an extension of the existing population or a separate breeding stock altogether. (livescience.com)
- Breeding the right kind of cow has been one of the main interests of my career. (technologyreview.com)
Artificial2
- Seedstock" producers raise breeding animals, using techniques like artificial insemination and embryo transfer. (technologyreview.com)
- Specific breeds have stringent rules regarding live cover and artificial insemination. (iastate.edu)
Pairs1
- The Slavonian grebe has a UK breeding population of only 29 pairs, found in NE Scotland only since 1908. (nhm.ac.uk)
Larger3
- The larger numbers of reported sightings of winter breeding monarchs around the San Francisco Bay area prompted James to write a new commentary article in the journal Animal Migration . (eurekalert.org)
- The Bedlington Terrier was originally bred in England for hunting and is one of the larger terriers of the group. (marthastewart.com)
- While some larger breeds may live an average of 10 to 12 years, Jack Russells (and closely related Parson Russell Terriers) may live 14 to 16 years, provided they receive adequate, regular exercise. (healthline.com)
Individuals1
- Individuals involved in poultry breeding, farming, and the loading and transport of poultry to processing facilities face a number of potential health hazards. (cdc.gov)
Study4
- English Bulldogs must be bred with more moderate physical features, as a new study reports that the breed is significantly less healthy than other dog breeds. (biomedcentral.com)
- The authors also report that only 9.7% of English Bulldogs in this study were aged over eight years old compared to 25.4% of other dog breeds. (biomedcentral.com)
- The study shows that grebe breeding success is linked with chironomid abundance and chironomid abundance is linked with total phosphorus. (nhm.ac.uk)
- This study aimed to resequence the entire genome ( whole genome sequencing -WGS) of 40 bean genotypes selected based on their significance in breeding programs worldwide, with the objective of generating an extensive database for the identification of single nucleotide polymorphisms ( SNPs ). (bvsalud.org)
Sites1
- Key Breeding Sites of Dengue Vectors in Hanoi, Vietnam, 1994-1997. (who.int)
Group2
- Screven Horse Breeding by EquineNow.com, part of the EquineNow.com, LLC group of websites. (equinenow.com)
- The Toy group is composed of those canines that were bred specifically to be companion animals. (britannica.com)
Research3
- It's difficult for us to change our breeding program rapidly, but that's where we're benefiting from a lot of advances in technology and in research. (technologyreview.com)
- The authors suggest that future research could compare the predisposition of disorders between English Bulldogs with more moderate physical features compared to those with extreme physiques in order to assess potential welfare gains from breeding for less drastic characteristics. (biomedcentral.com)
- Australia is a net importer of barramundi, and James Cook University's Jarrod Guppy aims to apply cutting-edge genetic techniques to creat a next-generation breed after receiving a $470,000, three-year research fellowship from the Australian Research Council. (yahoo.com)
Program5
- But one of the qualifications to get in that program is that they have to be from black-hide cattle, which are not as heat-tolerant as some other breeds. (technologyreview.com)
- The owners' decision to pursue the divestment of their company to their long-term partner, BASF, will secure the continuation of the most innovative melon breeding program. (basf.com)
- Breeding Leadership is a national program for young people in all facets of the wool industry and aims to develop the leadership and professional skills of young people involved in the wool industry. (wool.com)
- Established in 2002 by the South Australian Stud Merino Breeders Association, Breeding Leadership became a national program through the Australian Association of Stud Merino Breeders in 2004. (wool.com)
- Breeding Leadership is national program for young people in all facets of the wool industry. (wool.com)
Company2
- Mr Guppy is partnering with Mainstream Aquaculture, the world's largest barramundi breeding company. (yahoo.com)
- During the following 2 weeks, similar signs were observed in 3 other flocks (A2, A3, A4) at farm A and 2 flocks (B1 and B4) on another turkey breeding farm (farm B) 50 km away, both belonging to the same company. (cdc.gov)
Potential1
- This section provides links to information and investigations about the evaluation and control of these and other potential hazards during poultry breeding, farming, and transport. (cdc.gov)
Carefully1
- They were carefully bred and nurtured, and until the mid-20th century they were not allowed to be exported out of their countries of origin. (britannica.com)
Animal1
- Health issues with this energetic breed are relatively few, provided the animal gets plenty of daily exercise. (healthline.com)
House1
- The panda house is closed during the breeding period. (twincities.com)
Health4
- However, what is most concerning is that so many of the health conditions that English Bulldogs suffer from, such as skin fold dermatitis and breathing problems, are directly linked to the extreme structure of their bodies that has been selectively bred for. (biomedcentral.com)
- CDC and health officials from Wisconsin and Illinois are conducting an investigation of Seoul virus infections among pet rats and persons exposed to rats at rat-breeding facilities in Wisconsin and Illinois. (cdc.gov)
- Poverty breeds ill-health which further perpetuates poverty. (who.int)
- Poverty is the world's greatest killer and the major cause of ill-health and suffering.3 The ill-health bred by poverty further leads to work absenteeism, reduced productivity and diminished earnings. (who.int)
Great2
- And it's a great tool for getting the breeds right. (technologyreview.com)
- Check out the video below to hear from past participants about what they think is so great about going to Breeding Leadership. (wool.com)
Season1
- WASHINGTON-The National Zoo says breeding season has arrived for the giant pandas after a cub was born last year but died six days later. (twincities.com)
Programs1
- One of the big challenges for barramundi breeding programs is that they can take four to six years to mature for breeding. (yahoo.com)
Facilities2
- The seed production and breeding facilities near Avignon will complement BASF's existing network of 23 breeding stations for vegetable seeds worldwide and will be the first station for R&D activities, such as breeding and screening, located in France. (basf.com)
- A follow-up investigation of rat breeders who supplied the initial patient's rats revealed six additional human cases of Seoul virus infections occurring at two Illinois rat-breeding facilities. (cdc.gov)
Excellent1
- These breeds are excellent guards, used in the military and law enforcement, or for personal protection. (britannica.com)
Team1
- The team concludes that breeding success of the grebe depends on food availability in the form of chironomids at Loch Ruthven. (nhm.ac.uk)
Area2
- He thinks he'll find more tagged monarchs around the Bay area in breeding, instead of in non-breeding overwintering colonies, as happened last winter. (eurekalert.org)
- A. arabiensis breeding in this area has become perennial as a result of crop irrigation. (who.int)
Resource1
- Of particular interest, 7841 SNPs were identified in 85% of the putative plant disease defense-related genes , presenting a valuable resource for crop breeding efforts. (bvsalud.org)
Short1
- Herding breeds are quick and agile, able to work on any terrain, and well-suited for short bursts of high speed. (britannica.com)
Intelligent1
- Herding breeds are intelligent and lively, making fine family pets or obedience competitors. (britannica.com)
Time1
- Thank you, Dr. Breeding, for taking the time and having the interest to share your personal story and to go beyond that by helping to eliminate barriers for the patients. (cdc.gov)
Type1
- The authors advocate that the English Bulldog breed standards should be redefined towards more moderate characteristics, without which there may be a risk that the breeding of this type of dog is banned in the UK. (biomedcentral.com)
World1
- Nunhem, the Netherlands - On Wednesday, October 28, 2020 BASF has formally agreed to acquire ASL, one of the most innovative melon breeding companies in the world, to continue expanding its position as a preferred partner in the fruit and vegetable value chain. (basf.com)