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Influence of parity and season of the year on oocyte quality and number in buffaloes
(2013-12-01)
The aim of the present study was to evaluate the effects of season of the year (summer and winter) and parity (heifers and cows) on oocyte quality and number in buffaloes. For this purpose, 71 buffaloes had follicular wave ...
Characterization and polymorphism screening of IGF-I and prolactin genes in Nelore heifers
(Assoc Sci Produzione Animale-aspa, 2009-04-01)
Insulin growth factor I (IGF-I) and prolactin (PRL) are peptide hormones that exert complementary effects on reproductive traits by acting on folliculogenesis. In view of the lack of information about the IGF-I and PRL ...
Molecular evaluation of developmental competence of oocytes collected in vivo from buffalo and bovine heifers during winter and summer
(2013-12-01)
Buffaloes and bovines are polyestrous and seasonal or annual livestock, respectively, that show reduced fertility during heat stress. To investigate whether reduced fertility is related to oocyte competence in both species, ...
Performance, thermal confort and ovarian phisiology of canchim (Bos indicus vs Bos taurus) heifers grazing pastures with and without natural shade: preliminary results.
(Animal Reproduction, v. 13, n. 3, p. 542, Jul./Sep. 2016., 2016)
Progestin-based protocol for synchronization of follicular wave emergence in buffaloes during summer and winter
(2013-12-01)
The aim of the present study was to evaluate the effects of type of norgestomet auricular implant (new-N or previously used during 5 days-U), season of the year (summer-S and winter-W), and parity (12 heifers-H and 23 ...