ANESTRO EN VACAS PDF

English: The aim of the present study was to induce oestrus in postpartum anoestrus dairy cows after the application of two hormonal treatments. With this. Controle sobre GnRH durante o anestro pós-parto em bovinos A secreção do hormônio folículo estimulante (FSH) em vacas retorna aos padrões do ciclo. 18 jun. O seu uso é recomendado para melhorias na fixação e taxas de concepção de vacas em anestro pós-parto, face auxiliar na sincronia do estro.

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Characterization of a cDNA encoding a novel avian hypothalamic neuropeptide exerting an inhibitory effect on gonadotropin release.

Anim Reprod Sci ; Hormonal induction of estrous cycles in anestrous bos taurus beef cows. Relationships to circulating insulin and insulin-like growth factor-I. Evidence for maternal behavior as a requisite link in suckling-mediated anovulation in cows.

Changes during the postpartum period. Postpartum nutrient intake and body condition: Profiles of LH, FSH and progesterone in postpartum dairy cows and their relationship to the commencement of cyclic functions. The role of glutamate and nitric oxide in the reproductive neuroendocrine system. J Reprod Fertil ; S 98 Kiracofe GH. J Anim Sci ; The treatments significantly reduced the interval treatment to first service in cows that receive HAP Revista Brasileira de Zootecniav.

Ovarian follicular cysts in dairy cows: Biochemistry and Cell Biologyv. Biol Reprod ; Ovarian function in suckling and non-suckling beef cows post partum. Effects of leptin on gonadotropin-releasing hormone release from hypothalamic-infundibular explants and gonadotropin release from adenohypophyseal primary cell cultures: Journal Reproduction Fertilityv.

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GnRH control during bovine postpartum anestrous

Aetiology and pathogenesis of cystic ovarian follicles in dairy cattle: Nature Cell Biologyv. J Reprod Fert ; 49 Suppl. Molecular aspects of bovine cystic ovarian disease pathogenesis. Molecular and Cellular Endocrinologyv. Domest Anim Endocrinol ; 7: J Nutr ; Effect of suckling and ovariectomy on the control of luteinizing hormone secretion during the postpartum period in beef cows.

Revista MVZ Córdoba

Reproduction, Fertility and Developmentv. Journal anesro Reproduction and Developmentv. Expression of leptin receptor isoforms in rat brain microvessels. The voluntary waiting period was 60 days.

Pituitary and ovarian function in postpartum beef cows. Direct and indirect regulation of gonadotropin-releasing hormone neurons by estradiol.

Decreased concentration of plasma leptin in periparturient dairy cows is caused by negative energy balance. A case study in Mexico.

Trends in Endocrinology and Metabolismv. Services on Demand Journal. Seasonal changes in nutritional status and reproductive performance of Zebu cows kept under a traditional agro-pastoral system in Tanzania.

Anovulation in postpartum suckled beef cows. Pattern of follicular growth and resumption of ovarian activity in post-partum beef suckler cows. Biol Reprod 53, The gonadotrophic treatments may be useful tools for the reproductive management of postpartum anestrus in dairy cows. Ovarian structures and uterine environment are associated with phenotypic and genetic merit for performance in lactating dairy cows. The role of suboptimal preovulatory oestradiol secretion in the aetiology of premature luteolysis during the short oestrous cycle in the cow.

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Pituitary receptors for GnRH and estradiol, and pituitary content of gonadotropins in beef cows. Although the etiology of OFC has not been established, the absence or insufficiency of the preovulatory LH surge is considered to be a crucial factor in the development of this condition PeterOrtega et al The treatments 1 received only one mineral supplement and treatments 2 received the same batch mineral supplement added 2.

Reprod Domest Anim 39, Adiponectin and adiponectin receptors.

Anestro posparto en ganado bovino en el trópico | Báez | Revista MVZ Córdoba

Bovine C-terminal octapeptide of RFamide-related peptide-3 suppresses luteinizing hormone LH secretion from the pituitary as well as pulsatile LH secretion in bovines. Although global scientific literature offers outstanding reviews and original articles about OFC, to our knowledge, there are still no aneztro describing their clinical presentation in a herd.

Is there an FSH-releasing factor? Se revisaron los registros reproductivos de 1.

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