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Exp Anim ; 53(4): 395-7, 2004 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-15297716

RESUMO

We investigated whether refined follicle stimulating hormone (FSH) with only a little contaminating LH can promote the responsiveness of rabbits to multiple-ovulation treatment. One group of female rabbits was stimulated with refined porcine FSH (pFSH), an FSH source with low LH activity, and another group was treated with pFSH. The mean number of eggs recovered from donors stimulated with refined pFSH (27 +/- 3) was significantly greater (P<0.05) than that with pFSH (20 +/- 2). Furthermore, the mean number of remaining follicles of donors stimulated with refined pFSH (19 +/- 4) was significantly greater (P<0.05) than that with pFSH (12 +/- 1). To decrease the number of remaining follicles in donors treated with refined pFSH, the dose of human chorionic gonadotropin (hCG) was increased from 75 to 150. However, there were no differences in the numbers of eggs and remaining follicles. The results of the present study suggest that refined pFSH with little contaminating LH promotes the responsiveness of rabbits to multiple-ovulation treatment compared with pFSH.


Assuntos
Hormônio Foliculoestimulante/farmacologia , Ovulação/efeitos dos fármacos , Superovulação/fisiologia , Animais , Feminino , Hormônio Foliculoestimulante/isolamento & purificação , Gravidez , Coelhos
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