| 秋季断犊母牦牛促发情试验 |
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| 引用本文： | 张贵胜,李全,冯宇诚.秋季断犊母牦牛促发情试验[J].青海畜牧兽医杂志,2012,42(4):20-21. |
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| 作者姓名： | 张贵胜 李全 冯宇诚 |
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| 作者单位： | 1. 青海省大通种牛场,西宁,810102
2. 青海省畜牧兽医科学院,西宁,810016 |
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| 摘 要： | 在青海省大通种牛场育种一队对27头秋季断犊母牦牛进行了促发情试验。母牦牛断犊并经21-23d恢复饲养后,采用两次PG注射法和GnRH+PG注射法对母牦牛进行同期发情处理,结果显示:试验I组母牦牛发情6头,发情率66.67%,试验II组母牦牛发情2头,发情率22.22%。经统计分析,试验I组与试验II组母牦牛之间发情率差异不显著(P﹥0.05),但显著高于对照组(P﹤0.05),试验II组母牦牛发情率与对照组间差异不显著(P﹥0.05)。
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| 关 键 词： | 秋季断犊牦牛 同期发情 试验 |
Experiment on Estrus in Weaning Female Yaks in Autumn |
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| Institution: | ZHANG Gui-sheng et al(Datong breeding cattle farm,Xining,Qinghai,810102) |
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| Abstract: | 27 weaning female yaks were conducted for estrus in Datong breeding cattle farm,Qinghai Weaning female yaks were weaned for 21~23d,after recoverd,the synchronous estrus was conducted by P G injection and GnRH+PG injection.The results that 6 female yaks was estrus in group I,estrus rate is 66.6%;2 female yaks was estrus in group II,estrus rate is 22.22%.There is no significant difference between group I and group II(P>0.05).but there is significant diffevence between group I and control group(P<0.05).there is no significant difference between group II and control group. |
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| Keywords: | Autumn weaning yaks Synchronous estrus Experiment |
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