在分娩后立即出现的低血症与代谢障碍和Holstein牛的身体状况得分之间的关系
Naser Ghasemi1, Hamid Amanlou2, Naser Maheri-Sis1
1Department of Animal Sciences, Shabestar Branch, Islamic Azad University, Shabestar, Iran.
Open veterinary journal
|April 29, 2024
概括
乳牛的持续性亚临床低血症 (PSCH) 显著增加了保留的胎盘,甲状腺炎和乳腺炎. 过渡性亚临床低血症 (TSCH) 没有表现出不良影响,这表明PSCH对群体健康至关重要.
科学领域:
- 兽医医学 兽医医学 兽医医学
- 动物科学动物科学
- 动物健康 动物健康
背景情况:
- 低血症是乳牛中普遍存在的过渡期疾病,表现为临床和亚临床形式.
- 了解的作用对于管理产后乳牛健康和生产率至关重要.
研究的目的:
- 为了研究产后血清 (Ca) 水平与荷尔斯坦乳牛的代谢障碍之间的相关性.
- 评估不同状态对身体状况评分 (BCS) 和疾病发病率的影响.
主要方法:
- 根据产后血清Ca度,271头霍尔斯坦牛被分为常态血症,过渡性亚临床低血症 (TSCH) 和持久性亚临床低血症 (PSCH) 组.
- 数据收集包括平价,血清Ca水平,BCS,以及各种代谢和生殖障碍的发生率.
主要成果:
- 持续的亚临床低血症 (PSCH) 与正常血牛相比,与明显更高的胎盘保留率 (6.28x),甲状腺炎 (6.43x) 和亚临床乳腺炎 (5.9x) 相关.
- 在产后60天内,PSCH奶牛的屠宰率也高出4.61倍.
- 过渡性亚临床低血症 (TSCH) 与正常血牛相比,并没有显著增加代谢障碍的发生率或影响杀率.
结论:
- 持续的亚临床低血症 (PSCH) 是产后并发症的重要危险因素,包括感染和增加杀.
- 早期发现和管理PSCH对于改善奶牛健康和减少经济损失至关重要.
- 过渡性亚临床低血症 (TSCH) 似乎对代谢健康和除率的影响最小,这表明不同的病理生理路径或恢复能力.
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