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| Maffi,Andressa Stein; Brauner,Cássio Cassal; Mielke,Lais Fernanda; Lima,Marcio Erpen; Xavier,Eduardo Gularte; Pino,Francisco Augusto Burkert Del; Corrêa,Marcio Nunes. |
| ABSTRACT: The objective of this study was to evaluate the effect of exogenous insulin administration on follicular growth, estrus presentation and conception rate during a protocol of ovulation synchronization. Dairy cows were subjected to the Heatsynch protocol, with the insertion of an intravaginal device containing 1.9 g of progesterone (CIDR) and an intramuscular injection containing 2.5 mg of GnRH on day 0. On day 7, the CIDR was removed and subjects were given 12.5 mg of dinoprost. Also on day 7, Insulin Group (IG, n = 21) animals received a subcutaneous injection containing 0.25 IU / kg of recombinant human insulin and the control group (CG, n = 25) received a 0.9% NaCl injection. On day 8, an injection of 0.5 mg of estradiol cypionate was... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Dairy cow; Insulin; Ovarian follicle; Reproduction. |
| Ano: 2019 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782019000800650 |
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