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	Provedor de dados Braz. J. Vet. Res. Anim. Sci. (2) Autor ALVAREZ,Rafael Herrera (2) PERONE,Cibele Nunes (2) ARCARO,Juliana Rodrigues Pozzi (1) CARVALHO,João Batista Pereira de (1) OLIVEIRA FILHO,Enoch Borges de (1) RIBELA,Maria Teresa Carvalho Pinto (1) RIBELA,Maria Tereza Carvalho Pinto (1) ROSA E SILVA,Alzira (1) Mais... Palavra-chave Follicular fluid (2) Bovine (1) Cattle (1) Embryos (1) FSH (1) Passive immunization (1) Superovulation (1) Mais... Tipo do documento Info:eu-repo/semantics/article (2) Ano 1998 (2) País Brazil (2) Idioma Inglês (2)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 2 Primeira ... 1 ... Última Effect of charcoal-treated bovine follicular fluid on the secretion of FSH in ovariectomized and intact prepubertal heifers Braz. J. Vet. Res. Anim. Sci. ALVAREZ,Rafael Herrera; ARCARO,Juliana Rodrigues Pozzi; RIBELA,Maria Teresa Carvalho Pinto; PERONE,Cibele Nunes. The aim of the experiment was to determine whether charcoal-treated bovine follicular fluid (bFF) removed from visible (< 22 mm) follicles altered the secretion of follicle-stimulating hormone (FSH) in intact and ovariectomized prepubertal heifers. After a 10-ml injection of bFF given at three consecutive 8-h intervals, secretion of FSH was depressed in approximately 44% of the ovariectomized heifers but there was no effect in intact heifers. When the bFF treatment ceased, there were no rebound effects on FSH concentrations above that of controls pretreatment levels. These results suggest that proteins from bFF act at the pituitary level to inhibit FSH secretion and, differently of the intact, the ovariectomized heifer is an adequate model to put this... Tipo: Info:eu-repo/semantics/article Palavras-chave: Follicular fluid; FSH; Bovine. Ano: 1998 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-95961998000500004 Endocrine profiles and ovulation rate of cows superovulated with FSH following passive immunization against steroid free-bovine follicular fluid Braz. J. Vet. Res. Anim. Sci. ALVAREZ,Rafael Herrera; CARVALHO,João Batista Pereira de; ROSA E SILVA,Alzira; PERONE,Cibele Nunes; RIBELA,Maria Tereza Carvalho Pinto; OLIVEIRA FILHO,Enoch Borges de. Ten multiparous non-lactating cows were randomly assigned to one of two groups. On days 8 to 12 after estrus, the first group was given 100 ml antiserum against steroid-free bovine follicular fluid (anti-bFF), which was produced in ovariectomized sheep. The second group (control) was given 100 ml nonimmune ovariectomized sheep serum. Six hours after injection, both groups were superovulated with FSH (18 NIH-FSH-S1 units) and LH (0.29 NIH-LH-S1 units) in a 4-day decreasing regime. On the morning of the third day a luteolytic dose of prostaglandin F2alpha analogue (cloprostenol) was given. Artificial inseminations (AI) were done 48 and 60 h later. Embryos were collected 7 days after AI by a nonsurgical method. Blood samples were taken throughout the... Tipo: Info:eu-repo/semantics/article Palavras-chave: Superovulation; Follicular fluid; Passive immunization; Embryos; Cattle. Ano: 1998 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-95961998000600007 Registros recuperados: 2 Primeira ... 1 ... Última

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