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Effects of Different Sera on the Water Buffalo Preimplantation Embryo''s Sex Ratio
Jian-Zhong Wu ,Yue-Min Li*
Chongqing Key Laboratory of Forage and Herbivore, Southwest University, Chongqing 400716, China
Abstract: The experiment was carried out to study the effects of different sera on the water buffalo preimplantation embryo's sex ratio. The results indicated that differernt batches of the same surem had no influence on the embryo's sex ratio， the sex ratio of male embryos within fetal bovine serum (FBS) were significant different in there differernt cell stage (P<0.05). Along with the increase of the number of blastomeres， the sex ratio of male embryos was higher. The sex ratio of male embryos within oestrus cow serum (OCS) were significant different in there differernt cell stage (P<0.05)， but it is different from the former， the sex ratio of male embryos was not higher along with the increase of the number of blastomeres. The sex ratio of male embryos without serum was not significant different in two differernt cell stage (P>0.05).
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