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| 影响奶牛产后卵巢周期活动恢复的因素研究分析 | |
| 引用本文： | 杨延周,李鹏,何举,赵国丽,宫艳斌,韩元,王丽,史远刚.影响奶牛产后卵巢周期活动恢复的因素研究分析[J].中国奶牛,2011(4):28-31. |
| 作者姓名： | 杨延周 李鹏 何举 赵国丽 宫艳斌 韩元 王丽 史远刚 |
| 作者单位： | 1. 宁夏大学农学院,银川,750021 2. 宁夏大学农学院,银川,750021;宁夏正鑫牧业科技发展有限公司,银川,750002 3. 宁夏正鑫牧业科技发展有限公司,银川,750002 4. 宁夏四正生物工程技术研究中心,银川,750200 5. 宁夏大学农学院,银川750021;宁夏四正生物工程技术研究中心,银川,750200;宁夏正鑫牧业科技发展有限公司,银川,750002 |
| 基金项目： | 现代农业(奶牛)产业技术体系建设项目 |
| 摘 要： | 本研究通过对宁夏区内5个规模奶牛场的繁殖母牛生殖状况调查的基础之上,分析表明,产前体况评分为3.25～4,产后体况评分为2.75～3.5,年泌乳量为7 000～5 000kg,产犊季节在秋冬季、经产奶牛等因素与其相对应的对照组比较,产后卵巢开始活动的时间、产后第一次站立发情的时间、产后第一次配种时间明显提前（P〈0.05）,受胎率明显增高（P〈0.05）,产犊指数明显缩短（P〈0.05）。 |
| 关 键 词： | 卵巢周期活动恢复 因素分析 产后奶牛 |
The Research and Analyses in the Factors of Affecting Cow's Postpartum Ovarian Cycle Activity |
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| YAN Yan-zhou,LI Peng,HE Ju,ZHAO Guo-li,GONG Yan-bin,HAN Yuan,WANG Li,SHI Yuan-gang.The Research and Analyses in the Factors of Affecting Cow's Postpartum Ovarian Cycle Activity[J].China Dairy Cattle,2011(4):28-31. | |
| Authors: | YAN Yan-zhou LI Peng HE Ju ZHAO Guo-li GONG Yan-bin HAN Yuan WANG Li SHI Yuan-gang |
| Institution: | 1.Agriculture College of Ningxia University,Yinchuan 750021;2.Ningxia Syngen Bio-Engineering Research Center,Yinchuan 750200;3.Ningxia Sinogen Farming Sic-Tec Development Co.,Ltd.,Yinchuan 750002) |
| Abstract: | Based on the investigation results of post-partum cow fertility in 5 scale dairy farms of Ningxia.The research results showed that： prenatal body condition score is 3.25～4,post-partum body condition score is 2.75～3.5,the year lactation 7000～5000kg,calving season is the autumn and winter.Multiparous cattle is compared with the control group,the onset of ovarian activity in postpartum,the first time of standing heat in postpartum,the time of first service in postpartum are significantly ahead of schedule（P0.05）,conception rate increased significantly（P0.05）,calving index was significantly shortened（P0.05）. |
| Keywords: | Ovarian Cycle Activity Resume Factors Analysis Postpartum Cow |
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