• The nutritional status of animals affects follicular growth, maturation and ovulation (Diskin et al. (srpublication.com)
  • This rapid onset of cyclicity and ovulation situation can be increased by the use of prostaglandin F 2α on the tenth day, as that hormone may actually accelerate the follicular growth and ovulation. (equine-reproduction.com)
  • Levels of the epidermal growth factor-like peptide amphiregulin in follicular fluid reflect the mode of triggering ovulation: a comparison between gonadotrophin-releasing hormone agonist and urinary human chorionic gonadotrophin. (druglib.com)
  • Bartolome JA, Sozzi A, McHale J, et al (2005): Resynchronization of ovulation and timed insemination in lactating dairy cows, II: assigning protocols according to stages of the estrous cycle, or presence of ovarian cysts or anestrus. (ankara.edu.tr)
  • To induce estrus in the absence of a follicular cyst. (drugs.com)
  • Prolonged estrus, precocious development, genital irritation, follicular cysts and a reduction of milk flow may occur following estrogen therapy, frequently as a result of overdosage. (drugs.com)
  • Prolonged anestrus results from decreasing day length, and estrus onset results from increasing day length. (dvm360.com)
  • PMSG at the usual dose of 20 IU/kg/day, given for 10 days during anestrus and followed by an "ovulatory dose" of HCG (500-1000 IU), rapidly results in an estrus frequently characterized by low fertility, hyper-estrogenism, cystic ovaries, anovulation, inadequate luteal phase and/or pregnancy resorption. (vin.com)
  • Cows diagnosed as silent estrus and true anoestrus were allotted to different treatment and Artificial Insemination (AI) protocols. (scialert.net)
  • The prevalence of anoestrus was 18.5% (83 out of 448 cows) as reported by the farmers with silent estrus 53.0% (n = 44), true anoestrus 42.2% (n = 35), cystic ovarian disease 2.4% (n = 2) and uterine infections 2.4% (n = 2) as the underlying disorders. (scialert.net)
  • Control anoestrus cows (Group VII, n = 5) without any treatment did not show estrus. (scialert.net)
  • In conclusions, close monitoring of silent estrous cows for estrus and nutritional supplementation for true anoestrus could be effective tools for successful reproduction. (scialert.net)
  • The incidence of increased weaning to estrus intervals, postweaning anestrus, decreased farrowing rate and decreased litter size become more frequent the earlier sows are weaned. (porkgateway.org)
  • Anestrus in dairy cows: causes and solutions. (org.in)
  • The reproductive performance of dairy cows with anovulatory anoestrus that were injected with either gonadotrophin-releasing hormone or oestradiol benzoate as part of a re-treatment process after insemination. (ub.bw)
  • Hence, the objectives of this study were to determine the prevalence of underlying disorders and to evaluate the effective treatment of the postpartum anoestrus in crossbred dairy cows. (scialert.net)
  • Many cows will recover spontaneously from anestrus (if due to follicular cysts) in less than 60 days postparturient. (drugs.com)
  • In cases of anestrus due to follicular cysts, estrogens are not usually indicated. (drugs.com)
  • Frequently, anestrus or follicular cysts have developed in association with a marked loss in body condition due to disease or high milk production. (drugs.com)
  • Functional ovarian disorders such as anoestrus due to persistent corpus luteum, suboestrus, luteal or follicular cysts. (pricetradinginc.com)
  • Anestrus in conjunction with a persistent corpus luteum probably reflects some interference with normal function of the uterine endometrium. (drugs.com)
  • GnRH injection for reproductive management including the treatment of cystic ovarian disorders and anoestrus in cows and mares. (msd-animal-health.co.nz)
  • In fact, breeders may be concerned about different kinds of problems which include but are not limited to true infertility (their bitches produce no pups after mating or Artificial Insemination), anoestrus or a low prolificity rate. (vin.com)
  • New follicle formation, follicular fluid microenvironment and oocyte quality are affected by heat stress. (srpublication.com)
  • Due to the large amount of anechoic fluid within the follicles, they come really easy to visualize, the follicular walls become thicker, around 1 mm in width. (vin.com)
  • A prospective, randomized, controlled study to compare two doses of recombinant human chorionic gonadotropin in serum and follicular fluid in woman with high body mass index. (druglib.com)
  • Comparison of serum and follicular fluid hormone levels with recombinant and urinary human chorionic gonadotropin during in vitro fertilization. (druglib.com)
  • Baruselli PS, Marques MO, Carvalho NA, Berber RA, Valentim R, Carvalho AFD Fo, Costa WP No. Follicular dynamics and pregnancy rate in embryo recipient (Bos taurus indicus x Bos taurus taurus) treated with" Ovsynch" protocol for fixed-time embryo transfer. (animal-reproduction.org)
  • The effect of low dose human chorionic gonadotropin on follicular response and oocyte maturation in PCOS patients undergoing IVF cycles: a randomized clinical trial of efficacy and safety. (druglib.com)
  • Effect of strategic nutrient supplementation on the reproductive performance of anestrus crossbred cattle in malwa region of Madhya Pradesh. (org.in)
  • Anestrus is one of the most common reproductive problems in cattle and buffalo in the Indian subcontinent. (srpublication.com)
  • Long postpartum period of anestrus (>5 months) is normally found in cattle in the tropical area under free-range rearing system, probably due to shortage of feed and fodder. (srpublication.com)
  • Although Indian cattle are well adapted to hot and humid climates, however, ovarian activity is greatly reduced by heat stress and manifested in the form of anestrus. (srpublication.com)
  • Rectal examination accompanied by ultrasonography was performed twice in a 10-day interval on crossbred (HolsteinxZebu) anoestrus cows at = 60 days postpartum to diagnose their cyclic status. (scialert.net)
  • Increased insulin sensitivity through chromium reduced follicular degeneration, which is related to the stimulating effects of this hormone on cell proliferation. (roshddanehkhavaran.com)
  • The objectives of this study were to determine the impact of two management practices: 1) weaning age and 2) lactation dietary crude protein level on sow feed intake, body weight change, backfat change, litter weaning weight, follicular development, uterine histology and hormone concentrations in the hypothalamus and pituitary. (porkgateway.org)
  • Jordan KM, Inskeep EK, Knights M. Use of gonadotropin releasing hormone to improve reproductive responses of ewes introduced to rams during seasonal anestrus. (iranjournals.ir)
  • 1996), and the use a dopamine agonist to terminate anestrus and cause a premature proestrus (Verstegen et al . (vin.com)
  • The natural transition from anestrus to proestrus involves increased pulsatile secretion of GnRH and LH for several days, a resulting elevation in mean LH concentrations with or without a further increase in already-elevated concentrations of FSH (Concannon, 1993). (vin.com)
  • 1997). Those results have been interpreted to suggest that it is LH that is the endocrine factor which is deficient in anestrus and the more important of the gonadotrophins in the process of transition from anestrus to proestrus. (vin.com)
  • It likely also involves prolactin and or changes in dopaminaergic activity in the hypothalamus, based on the fore-shortening of anestrus by prolactin-lowering doses of dopamine agonists. (vin.com)
  • These include the use of prostaglandins to shorten the luteal phase and cause a resulting shortening of metestrus (diestrus) and of anestrus (Romagnoli et al . (vin.com)
  • 2 month obligate anestrus seen following the end of the 2 month luteal phase or progestin contraception. (vin.com)
  • With a mare that continues follicular development during the treatment period but does not ovulate, we are faced with a situation where the mare may actually ovulate very rapidly after the last day of treatment - even the same day, the next day or a day or two later! (equine-reproduction.com)
  • T. M. Hazzard and Stouffer, R. L. , " Angiogenesis in ovarian follicular and luteal development " , Best Practice & Research Clinical Obstetrics & Gynaecology , vol. 14, no. 6, pp. 883 - 900, 2000. (oregonstate.edu)
  • In conclusion, anestrus could be successfully treated to an extent following nutritional supplementation. (org.in)
  • Anestrus leads to economic losses through increased inter-calving interval, poor net calf yield, production loss and treatment expenses. (srpublication.com)
  • The objectives of this cross-sectional study were to determine the underlying disorders and effective treatment of postpartum anoestrus. (scialert.net)
  • Different methods of hormonal and non-hormonal treatment for anoestrus have been employed by the practitioners but there is no comparative studies on their effectiveness in cows. (scialert.net)
  • and anestrus (about 4.5 months) which is a time of reproductive quiescence. (dvm360.com)
  • and anestrus (about three months) which is time of reproductive quiescence in late-autumn months in queens exposed to a natural photoperiod. (dvm360.com)
  • In female animals, AMH is expressed by granulosa cells of the ovary controlling the formation of primary follicles by inhibiting excessive follicular recruitment by FSH. (laboklin.com)
  • In some countries, Biorelease formulations of injectable altrenogest are also available, which are easier to handle and provide better control over follicular activity than oral versions ( BET Pharmacy, Lexington, KY USA ). (equine-reproduction.com)
  • The time in cycle (also anoestrus) has on the other hand no influence on the result. (laboklin.com)
  • In tropical weather conditions, Saanen goats show reproductive seasonality as they are in the anestrus condition in spring( 1 1 Balaro MFA, Mello SGV, Santos AS, Cavalcanti LM, Almosny NRP, Fonseca JF, Brandão FZ. (scielo.br)
  • Although, the significant effects of postpartum anoestrus are well known, the prevalence of underlying disorders and effective remedies in Bangladeshi crossbred cows is not well studied. (scialert.net)