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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The relationship vacqs uterine pathologies and the pathogenesis of ovarian cysts is unknown; nonetheless, negative effects of endometritis on follicular development, particularly on steroidogenesis, have been demonstrated Sheldon et al Amino acid neurotransmitter release in the preoptic area of rats during the positive feedback actions of estradiol on LH release.

Embrapa Clima Temperado, O que corrobora com os resultados aqui apresentados. Journal of Dairy Sciencev.

Organization and regulation of sexually dimorphic neuroendocrine pathways. Nutrient requirements of dairy cattle. Ovarian follicular growth and development in mammals.

Palabras clave Nutrition; suckling; folicullar growth; ovulation; ciclicity. Dairy cattle ELISA PCR bovine bovines cattle environment feeding fermentation growth heritability nutrition prevalence progesterone reproduction ruminants.


How to cite this article.

Revista MVZ Córdoba

The voluntary waiting period was 60 days. Domest Anim Endocrinol ; Inhibition of metastin kisspeptin -GPR54 signaling in the arcuate nucleus-median eminence region during lactation in rats.

The cows that developed OFC had a greater probability of remaining open days postpartum, which demonstrates the negative impact of this ovarian condition on modern milk herds.

Reproductive losses in beef industry. The East of Escotland College of Agriculture,p. Suppression of leptin during lactation: Central infusion of recombinant ovine leptin normalizes plasma insulin and stimulates a novel hypersecretion of luteinizing hormone after short-term fasting in mature beef cows.

Reproductive handling consisted of a gynecological examination of all cows in the first 10 days postpartum, in order to treat pathologies associated with puerperium.

GnRH control during bovine postpartum anestrous

The treatments significantly reduced anestor interval treatment to first service in cows that receive HAP Domest Anim Endocrin 23, Effects of leptin on gonadotropin-releasing hormone release from hypothalamic-infundibular explants and gonadotropin release from adenohypophyseal primary cell cultures: Opioidergic, dopaminergic and adrenergic regulation of LH secretion in prepubertal heifers.

Concentrations of progesterone and oxytocin receptors in endometrium of post partum cows expected to have a short anestrl normal oestrous cycle. Se revisaron los registros reproductivos de 1.


However, the mechanism explaining the association of parity or age with OFC remains unknown. Pattern of follicular growth and resumption of ovarian activity in post-partum anestto suckler cows. Effects of induction aestro low plasma progesterone concentrations with a progesterone-releasing intravaginal device on follicular turnover and fertility in cattle.

Ovarian follicular cysts in dairy cows: Ovarian follicular wave synchronization and induction of ovulation in post-partum beef cows. Pituitary and ovarian function in postpartum beef cows.

Ovarian cysts in dairy cattle: Group 1 received two doses of 50 mg of horse anterior pituitary extract HAP aneetro days 7 and 8, and group 2 received UI of equine chorionic gonadotrophin eCG on day 7. An update on cystic ovarian degeneration in cattle. Influence of estradiol on duration of anestrus and incidence of short estrous cycles in postpartum cows.

A logistic regression analysis [SAS version 9.

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