中国乳业 ›› 2022, Vol. 0 ›› Issue (4): 61-67.doi: 10.12377/1671-4393.22.04.12

• 疾病防治 • 上一篇    下一篇

南方规模奶牛场胎衣滞留发病规律研究

杨利基1, 夏青2,*, 张琴妹1, 张晓慧2, 赖霞2, 葛鑫1   

  1. 1 光明牧业有限公司,上海 200436;
    2 上海奶牛研究所有限公司,上海 200436
  • 出版日期:2022-04-25 发布日期:2022-05-05
  • 通讯作者: *夏 青(1986-),女,江苏宿迁人,本科,兽医师,研究方向为临床兽医及畜牧兽医技术。
  • 作者简介:杨利基(1983-),男,江苏南京人,本科,兽医师,研究方向为临床兽医及畜牧兽医技术;张琴妹(1981-),女,福建三明人,本科,兽医师,研究方向为临床兽医及畜牧兽医技术;张晓慧(1983-),女,上海崇明人,本科,畜牧师,研究方向为临床兽医及畜牧兽医技术;赖 霞(1981-),女,广西桂平人,本科,畜牧师,研究方向为临床兽医及畜牧兽医技术推广;葛 鑫(1986-),男,江苏宿迁人,本科,畜牧师,研究方向为临床兽医及畜牧兽医技术推广。

Research on the Incidence Regularity of Retained Placenta in a Large-scale Dairy Farm in Southern China

YANG Liji1, XIA Qing2,*, ZHANG Qinmei1, ZHANG Xiaohui2, LAI Xia2, GE Xin1   

  1. 1Bright Farming Co.Ltd.,Shanghai 200436;
    2Shanghai Institute of Dairy Science,Shanghai 200436
  • Online:2022-04-25 Published:2022-05-05

摘要: 胎衣滞留是奶牛常见的代谢性疾病,对奶牛健康和奶牛场生产的影响较大。本文以南方某规模奶牛场2021年1—12月分娩的牛群数据为基础,从不同月份、干奶天数、妊娠天数、围产天数、围产牛体况等方面研究了该奶牛场胎衣滞留的发病规律。结果显示:该奶牛场热应激期间,胎衣滞留率大幅增加;头胎牛的胎衣滞留率低于经产牛,并且胎次越高胎衣滞留率越高;干奶天数不足,胎衣滞留率会明显增加;妊娠天数越短,胎衣滞留率越高;围产天数越少,胎衣滞留率越高;围产牛体况评分过低或过高,胎衣滞留率都会增加;青年牛投产月龄增加,胎衣滞留率也明显增加;母牛产公犊时的胎衣滞留率高于母犊;出现难产时胎衣滞留率增加,奶牛胎位不正、怀双胎、死胎等牛的胎衣滞留率较高,而胎儿初生重的高低没有显著地影响胎衣滞留率。

关键词: 胎衣滞留, 发病规律, 热应激, 干奶天数, 妊娠天数, 体况评分, 难产, 双胎

Abstract: Retained fetal membranes(RFM)in dairy cows is a common metabolic disease in dairy farms,which has a great impact on cows’ health and production. This article was based on the data from January to December 2021 in a large-scale dairyfarm in the south. Research on patterns of RFM from different months,dry perioddays,gestation days,perinatal days,transition cows’ body condition and so on. The results showed that:RFM increased significantly during the heat stress period;RFM increased when parity increased;RFM increased when dry period days insufficient;RFM increased when gestational days decreased;RFM increased when transition days decreased;RFM increased both when transition cows’ body conditions core was low or high;RFM increased significantly with the calving age of heifers increasing;RFM of cows giving birth of male was higher than female;RFM increased when dystocia occurred,and the cows with fetal dystocia such as malposition,twin and stillbirth have higher rate,but the weight of calves had no effect on RFM.

Key words: retained fetal membranes, incidence regularity, heat stress, dry period days, gestational days, body condition score, dystocia, twins

中图分类号: 

  • S823
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