Abstract:In search of alternative indicators of fertility in bulls, this research evaluated the effects of breed, type of cattle and age on the relative expression of the genes aromatase, pregnancy-specific beta-1-glycoprotein (PSG1), and nitric oxide synthase (NOS) In bovine semen. Sperm from Jersey, Holstein. Brahman, Brangus, Charolais, Charbray, Senepol, and Simmental bulls was collected and the extracted mRNA was analyzed for expression of the genes using real time polimerase chain reaction (RT-PCR). The relative … Show more
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