不同季节生产的荷斯坦青年母牛冻胚妊娠率的比较
王华,邹阿玲,张光伟,肖锐,牛志宏,张建军,刘水涛,张健,李强
摘要(Abstract)：
本文比较了四个季节生产的荷斯坦青年母牛冷冻胚胎的妊娠率。结果表明,春、夏、秋、冬四个季节生产的冷冻胚胎的妊娠率差异不大,分别为49.21%、47.78%、54.31%和55.81%。由此得出结论,季节对母牛有效胚胎冷冻后的质量没有影响。
关键词(KeyWords)： 季节;荷斯坦;青年母牛;冷冻胚胎;妊娠率
基金项目(Foundation):
作者(Author): 王华,邹阿玲,张光伟,肖锐,牛志宏,张建军,刘水涛,张健,李强
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