Resumo

MONTES, José et al. IN VITRO INDUCTION wITH HEPARIN OF ACROSOME REACTION IN FROZEN BRAHMAN AND GYR BULLS SEMEN. rev.udcaactual.divulg.cient. [online]. 2012, vol.15, n.2, pp.431-436. ISSN 0123-4226.

The aim of this study was to value the in vitro induction by heparin of acrosome reaction in frozen semen from <0.05), however AP made an exception, indicating that the Brahman type presented a lower percentage of defects than the Gyr type (p>0.05). No correlation was observed between semen quality assessment (MPIR, AS, AP, AT and RA) and the non-return rate of the bulls (p<0.05). The results indicate that RA technique can be used as complementary test in the seminal routine assessment of frozen bovine semen; however, alone it is no effective in predicting the fertilizing potential of cryopreserved semen.

Palavras-chave : Acrosome; inductor; capacitation; fertility.

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