"Estrus Synchronization of Dairy Cattle" (PDF). Retrieved 28 March 2018. "Heat Detection and Timing of Insemination for Cattle ... Estrus is often called standing heat in cattle and refers to the time in their cycle where the female is receptive towards the ... Artificial insemination uses estrus synchronization to indicate when the cow is going through ovulation and is susceptible to ... Estrus behaviour can be detected by an experienced stockman. These behaviours can include standing to be mounted, mounting ...
Detection of estrus, becomes reliant on observation in the absence of bulls. It takes considerable expertise to properly ... Most importantly, during estrus she will stand still when mounted by another cow or bull. In the United States, artificial ... This short phase lasting only about a day is also known as estrus or colloquially, heat. The cow will often exhibit several ...
Archunan, G. & Rajagopal, T. (2013). "Detection of estrus in Indian blackbuck: Behavioural, hormonal and urinary volatiles ... "Hormonal and behavioural detection of oestrus in blackbuck, Antilope cervicapra, and successful artificial insemination with ...
... s are used in the detection of oestrus in sows. Boar pheromones are sprayed into the sty, and those sows that exhibit ... An active role for the human VNO in the detection of pheromones is disputed; while it is clearly present in the fetus it ... Orthologous receptors exist in humans providing, the authors propose, evidence for a mechanism of human pheromone detection. ... these TAARs putatively function as a class of pheromone receptors involved in the olfactive detection of social cues. A review ...
This is an adaption to keep the den clean and prevent its detection by predators. An infant marsupial is born in a very ... The gestation period is usually shorter than the intervals between oestrus periods. The first sign that a birth is imminent is ...
Buffalo are known for difficult estrus detection. This is one major reason for being less productive than cattle. During four ... Variant terms for proestrus include pro-oestrus, proestrum, and pro-oestrum. Estrus or oestrus refers to the phase when the ... "Synchronizing Estrus in Cattle - How does estrus synchronization work?". Texas A&M AgriLife Extension Service. Retrieved 2021- ... Estrus is derived via Latin oestrus ('frenzy', 'gadfly'), from Greek οἶστρος oîstros (literally 'gadfly', more figuratively ' ...
... synchronization protocols helps improve reproductive performance by reducing the inefficiency associated with estrus detection ... A dose of 550 mg of progesterone has been found to be effective in controlling estrus and ovulation in sheep. CIDRs may be used ... These estrus synchronization protocols allow Fixed Time Artificial Insemination to be used, giving herd managers more accurate ... Controlled internal drug release (CIDR) devices are used in livestock for the synchronization of estrus. They are T-shaped ...
"Non-invasive detection and monitoring of estrus, pregnancy and the postpartum period in pygmy loris (Nycticebus pygmaeus) using ... and a whistling sound produced during estrus. The female is mildly aggressive to her suitors during estrus, and will often ... coinciding with female estrus. Other vocalizations recorded during estrus include chittering and growling. The testosterone ...
For most non-human mammals, mating and copulation occur at the point of estrus (the most fertile period of time in the female's ... Sex pheromones facilitate copulatory reflexes in various organisms, but, in humans, the detection of pheromones is impaired and ... Non-primate females copulate only when in estrus, but sexual intercourse is possible at any time of the menstrual cycle for ... Bonobos, chimpanzees and dolphins are species known to engage in heterosexual behaviors even when the female is not in estrus, ...
... the reproductive and economic impact of reproductive programs combining timed artificial insemination and estrus detection". ... programs combining timed artificial insemination and different levels of artificial insemination after estrus detection. ...
Like other laika, it is more common for the females to go into estrus only once a year. The population in Georgia is critically ... Turkish Armed Force has training Zerdava for a variety of military uses including bomb and narcotic detection, search and ...
Predator detection by males becomes particularly important during the period when the infants are born. Raptors spend ... All females come into estrus at virtually the same time. A month or two before the breeding season begins, males become larger ... Therefore, associating with capuchins would provide less predator detection benefits and impose higher foraging costs on the ...
... estrus detection MeSH E05.820.150.370 - estrus synchronization MeSH E05.820.150.390 - hybridization, genetic MeSH E05.820. ...
June 2005). "Gene expression profiling of bovine endometrium during the oestrous cycle: detection of molecular pathways ... October 2009). "Evidence for estrogen-dependent uterine serpin (SERPINA14) expression during estrus in the bovine endometrial ...
The term "estrus" refers to the phase of the estrous cycle in which a sexually mature, non-pregnant female is receptive to ... without the detection of heat have been developed. These include the "Synch" protocols that involve the application of GnRH and ... This is a more exact but time consuming way to manipulate the cycle of multiple cows to sync up the timing of A.I. Estrus ... Oestrus synchronisation has proven to have many advantages in the dairy and beef industries. The application of estrous ...
ISBN 0-7216-9052-1. Kirvar, E; Ilhan, T; Katzer, F; Wilkie, G; Hooshmand-Rad, P; Brown, D (29 June 1998). "Detection of ... mosquitoes Aedes species Anopheles species Culex species myiasis fly strike Chrysomya species Lucilia species Oestrus ovis ( ...
In 1978, Papanikolaou's work was honored by the U.S. Postal Service with a 13-cent stamp for early cancer detection. Between ... the histologic cyclic changes that occur in the reproductive tract during the estrus cycle also occur in the vaginal mucosa and ... Koss, Leopold G. (1989). "The Papanicolaou Test for Cervical Cancer Detection: A Triumph and a Tragedy". Journal of the ... Gardner, Kirsten E. (2006). Early Detection: Women, Cancer, and Awareness Campaigns in the Twentieth-Century United States. ...
Pheromones may coordinate reproductive timing for females coming into estrus. Mating can be either monogamous or promiscuous ... Nakajima, Y.; Shantha, T. R.; Bourne, G. H. (1969). "Histochemical detection of l-gulonolactone: phenazine methosulfate ... and the female vagina opens up only during a few hours or days of her most receptive time of estrus. These narrow windows for ... since they rely so heavily on their sense of smell and pheromone detection. The fovea on the retina, which yields higher visual ...
Serology allows the detection of chronic infection by the appearance of high levels of the antibody against the virulent form ... silent oestrus, metritis, and decreases in milk yield when C. burnetii is the major cause of these problems. Treatment of acute ... Pascucci I, Di Domenico M, Dall'Acqua F, Sozio G, Cammà C (July 2015). "Detection of Lyme Disease and Q Fever Agents in Wild ... Molecular detection of bacterial DNA is increasingly used. Contrary to most obligate intracellular parasites, Coxiella burnetii ...
They experience oestrus cycles every 4-6 days. Mongolian gerbils are regarded as monogamous within science. Even with this said ... Gerbils have a wide hearing range, from detection of low frequency foot drumming to higher frequency chirps and therefore may ... Only the dominant females will produce pups, and will mostly mate with the dominant male while in estrus (heat), female gerbils ...
doi:10.1016/0168-1591(86)90058-4. "Signs of Heat (Heat Detection and Timing of Insemination for Cattle)". Heat Detection and ... Mounting is a playful behavior shown by calves of both sexes and by bulls and sometimes by cows in estrus, however, this is not ... Cattle are a prey animal and to assist predator detection, their eyes are located on the sides of their head rather than the ... Bell, F.R.; Sly, J. (1983). "The olfactory detection of sodium and lithium salts by sodium deficient cattle". Physiology and ...
Forés, R.; Alcocer, M.; Cabrera, R.; Sanjuán, I.; Briz, M.; Lago, C.; Fernández, M. N. (June 1999). "[Detection of PNH clones ... Kociba, G. J.; Caputo, C. A. (1981-06-15). "Aplastic anemia associated with estrus in pet ferrets". Journal of the American ... No screening test currently exists for early detection of aplastic anemia. Marie Curie Eleanor Roosevelt Donny Schmit Ted ... significantly increased the likelihood of detection of possible stem cell autoantigens. ELISA and Western blot analysis ...
Adult males may kill dependent offspring that are not theirs so the female will return to estrus and thus they can sire ... or improves detection against low-frequency background noise. Male howler monkeys are among the loudest land mammals as their ... these ultrasonic vocalizations might represent a private channel of communication that subverts detection by predators, prey ...
While the detection of Mups excreted by other animals has been well studied, the functional role in the producing animal is ... Mup proteins have been shown to promote puberty and accelerate the estrus cycle in female mice, inducing the Vandenbergh and ... The pheromone receptors responsible for Mup detection are also unknown, though they are thought be members of the V2R receptor ... Mups can also function as signals between different species: mice display an instinctive fear response on the detection of Mups ...
C. fetus may evade complete detection and eradication by the immune system as chronic and relapse cases have been noted. The ... Cows with BVC display irregular estrus cycles, signs of heat when presumed to be pregnant, and increased returns to service, ... Infected cows may return to estrus up to five times before pregnancy can be maintained. Infections and pregnancy loss in ... De Boer, E. (2007). "Detection and enumeration of pathogens in meat, poultry and egg products". Microbiological Analysis of Red ...
Because infants inhibit their mothers from ovulating by nursing frequently, males are able to bring females into estrus earlier ... reducing the predator detection benefits that the Central American squirrel monkey receives from associating with the ... the fact that similar associations would impose higher foraging costs and impart fewer predator detection benefits to the ...
However, estrus usually first occurs after two years in sows, while males begin participating in the rut after 4-5 years, as ... Its sense of smell is very well developed to the point that the animal is used for drug detection in Germany. Its hearing is ...
They are in estrus for 2-6 days. In captivity, cows have an oestrous cycle lasting 14-15 weeks. Foetal gonads enlarge during ... In addition to elephants being poached, their carcasses may be poisoned by the poachers to avoid detection by vultures, which ... They guard and mate with females in estrus, who stay closer to bulls in musth than to non-musth bulls. Urinary testosterone ... Musth occurs mainly during and following the rainy season when females are in estrus. Bulls in musth often chase each other and ...
Dams may return to estrus, fail to farrow despite being anestrus, farrow few pigs per litter, or farrow a large proportion of ... Tests The HI test is frequently used for detection and quantitation of humoral antibody for PPV. Antibody sometimes can be ... The SN test is occasionally used for detection and quantitation of humoral antibody for PPV. Neutralization of infectivity is ...
"Prevention and Early Detection of Ovarian Cancer: Mission Impossible?". Cancer Prevention. pp. 91-100. doi:10.1007/978-3-540- ... economic evidence for human estrus?" (PDF). Evolution and Human Behavior. 28 (6): 375-381. CiteSeerX 10.1.1.154.8176. doi: ...
Female mice have been demonstrated to show sexual receptivity behaviour, including lordosis behavior when in estrus. Estrus ... Dulac, Catherine; Torello, A. Thomas (2003-07-01). "Sensory systems: Molecular detection of pheromone signals in mammals: from ... more complete oestrus cycles and a longer total duration of oestrus cycles relative to the subjects in the control group and ... As estrus increases the likelihood of sexually receptive behaviour in females, such that overall reproductive success is more ...