中国乳业 ›› 2020, Vol. 0 ›› Issue (11): 33-35.

• 饲养管理 • 上一篇    下一篇

围产前期添加保增乐对奶牛产后生产性能和疾病预防的研究

郭启勇1,3, 陈文科1, 方星月2, 方仕强2, 路强强2, 吴心华1,*   

  1. 1 宁夏大学农学院;
    2 广州沃资珺文公司;
    3 陇南市动物卫生监督所
  • 出版日期:2020-11-25 发布日期:2021-02-04
  • 通讯作者: *吴心华(1963-),男,宁夏省银川市人,教授,研究方向为动物疾病诊断与防控。
  • 作者简介:郭启勇(1994-),男,甘肃省陇南市人,硕士,研究方向为动物疾病诊断与防控。
  • 基金资助:
    宁夏回族自治区重点研发项目 奶牛主要疫病防控技术研发与应用(编号:2018BBF33003)

  • Online:2020-11-25 Published:2021-02-04

摘要: 奶牛围产期是指产前21 天到产后21 天的这段时间。围产期由于采食量下降导致的能量负平衡是规模化牧场淘汰奶牛的主要原因。为了探索围产期奶牛疾病的预防方案,减少产后淘汰率,增加奶牛的使用年限,选取围产前期3 胎以上的荷斯坦牛40 头,分为对照组和试验组,试验组每天每头奶牛日粮中添加保增乐30 g,对照组按照牧场正常饲喂方式进行饲喂。结果显示,试验组产后奶牛干物质采食量显著高于对照组(P<0.05),产奶量试验组显著高于对照组(P<0.05),试验组产后淘汰率极显著低于对照组(P<0.01)。结论围产前期每天添加30 g保增乐对于降低奶牛分娩应激,提高奶牛产奶量具有积极的作用。

关键词: 围产期, 奶牛, 生产性能, 保增乐

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