›› 2009, Vol. 36 ›› Issue (9): 114-116.

• 奶业专栏 • 上一篇    下一篇

影响奶牛胎衣不下的主要因素分析

吾布力·沙地克1,叶东东1,张再国2,樊国富1,张桂芬2,黄锡霞1,王丽1   

  1. (1.新疆农业大学, 乌鲁木齐 830052; 2.新疆呼图壁种牛场, 呼图壁 831203)
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2009-09-20 发布日期:2009-09-20
  • 通讯作者: 黄锡霞

Analysis of Main Factors Effected on Retention of the Afterbirth of Dairy Cow

Wubuli·Shadike1, YE Dong-dong1, ZHANG Zai-guo2, FAN Guo-fu1, 
ZHANG Gui-fen2, HUANG Xi-xia1, WANG Li1
  

  1. (1.Xinjiang Agricultural University, Urumqi 830052, China; 2.Xinjiang Hutubi Dairy Farm, Hutubi 831203, China)
  • Received:1900-01-01 Revised:1900-01-01 Online:2009-09-20 Published:2009-09-20
  • Contact: HUANG Xi-xia

摘要: 为了探讨影响奶牛胎衣不下的主要因素,笔者对新疆呼图壁种牛场产犊记录资料进行整理,通过SAS 8.1统计软件分析了产犊季节、胎次、性别、犊牛初生重等对奶牛胎衣不下的影响。结果表明,产犊季节对奶牛胎衣不下有极显著影响(P<0.01),其中春季奶牛胎衣不下的发病率达到了40.72%;胎次对奶牛胎衣不下有极显著影响(P<0.01),尤其是3胎以上的奶牛胎衣不下的发病率高于40%;犊牛性别和初生重对奶牛胎衣不下影响差异不显著(P>0.05)。

关键词: 奶牛; 产犊季节; 胎次; 性别; 犊牛初生重; 胎衣不下

Abstract: The objective of this study was to investigate the main factors of retention of the afterbirth of diary cow, datas of calving records form Xinjiang Hutubi dairy farm were collected and sorted out, the effects of calving season, parity, sex, and calf birth weight on retention of afterbirth of the diary cow were analyzed by SAS 8.1. Results showed that the effect of cows calving season on retained fetal membranes of cows was highly significant (P<0.01), incidence rate of retained fetal membranes of cows in winter was up to 40.72%; the effect of parity on retained fetal membranes of cows was highly significant (P<0.01), incidence rate of retained fetal membranes of cows was no less than 40% especially when the parity was more than 3. The effect of sex and calf birth weigh on retained fetal membranes of cows was not significant (P>0.05).

Key words: dairy cow; calving season; parity; sex; calf birth weight; retention of the afterbirth

中图分类号: