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Effect of hormones on certain factors affecting reproduction in prepuberal Hereford heifers.
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Ovulation, fertility and prenatal mortality in heifers treated with PMSG or porcine FSH.
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Histologic features of ovarian follicles of gonadotropin-injected heifers.
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Reproductive response of beef cows to exogenous progestogen, estrogen and gonadotropins at various stages postpartum.
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