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.

Author: Kaziran JoJogis
Country: Argentina
Language: English (Spanish)
Genre: Technology
Published (Last): 5 December 2010
Pages: 261
PDF File Size: 2.47 Mb
ePub File Size: 12.52 Mb
ISBN: 553-3-26980-180-5
Downloads: 48394
Price: Free* [*Free Regsitration Required]
Uploader: Kekazahn

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

Domestic Animal Endocrinologyv. Opioid inhibition of luteinizing hormone secretion during the postpartum period in suckled beef cows. Effects of nutrition and metabolic status on circulating hormones and ovarian follicle development in cattle. Porto Alegre Sulina,p.

GnRH control during bovine postpartum anestrous

Injection of neuropeptide Y into the third cerebroventricle differentially influences pituitary secretion of luteinizing hormone and growth hormone in ovariectomized cows. The influence of progesterone during early pregnancy in cattle. Therefore, this study determined the incidence of OFC, the abestro associated with their development, and their effects on reproductive efficiency in a dairy herd under intensive management.

  ASTM D1250-80 PDF

Patterns of tonic vaca hormone release and ovulation frequency in suckled anestrous beef cows following varying intervals of temporary weaning. Cortisol and luteinizing hormone after adrecocorticotropic hormone administration to postpartum beef cows.

Adiponectin and adiponectin receptors. Nutritionaland suckling-mediated anovulation in beef cows J Anim Sci ; 81 Sup 2: Reprod Domest Anim 39, O tratamento 1 com 55 vacas e o tratamento 2 com 99 vacas.

Revista Brasileira de Zootecniav. Moreover, the average number of hormonal treatments that cows with OFC received was 1.

Revista MVZ Córdoba

Influence of body condition at calving and postpartum nutrition on endocrine function and reproductive performance of primiparous beef cows. Pregnancy diagnosis was determined between 45 and 50 days post-insemination. Os resultados do presente trabalho condizem com aqueles descritos por Aono et al.

Revista Brasileira de Zootecniav. J Anim Sci 55, English Copyright of Revista Veterinaria is the property of Universidad Nacional del Nordeste and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder’s express written permission.

Nature Cell Biologyv. Evidence for maternal behavior as a requisite link in suckling-mediated anovulation in cows. Energy balance, first ovulation and the effects of naloxone on LH secretion in early postpartum dairy cows. The anesgro of hormonal treatments to improve reproductive performance of anestrous beef cattle in tropical climates. J Reprod Fertil ; 90 2: Factors affecting estrogen-induced LH release in the cow. Postpartum anestrus in dairy and beef cows.


Journal of Neuroendocrinologyv. Pattern and manipulation of follicular development in Bos Indicus cattle.

These results are consistent with other studies, in which the increased incidence of OFC in cows is evident due to postpartum abnormalities Lopez-Gatius et alPeter, Segundo DAS et al.

Molecular and Cellular Endocrinologyv. Nutritional anestrus in beef anedtro The incidence of ovarian follicular cysts OFC in relation to reproductive performance in a dairy herd was anesyro. Follicular dynamics in sheep and cattle. Relationships to circulating insulin and insulin-like growth factor-I. Some aspects of thecal and granulosa cell function during follicular development in the bovine ovary.

Reproductive losses in beef industry.