与抗菌药物治疗和乳母奶牛甲状炎临床治愈失败相关的哺乳性能差异
A Martelo Pereira1, F N S Pereira1, P R Menta2
1Department of Veterinary Clinical Sciences, Washington State University, Pullman, WA 99163.
Journal of dairy science
|April 30, 2025
概括
乳牛中甲状炎的临床治疗积极影响牛奶产量和生殖能力,无论抗菌药物治疗如何. 建议对选择性甲状炎治疗策略进行进一步的研究.
科学领域:
- 兽医医学 兽医医学 兽医医学
- 动物科学动物科学
- 生殖生物学 生殖生物学
背景情况:
- 乳母牛中常见的产后子宫感染甲状炎,显著影响动物健康和农场生产率.
- 抗微生物药物治疗是甲状腺炎的标准治疗方法,但其对长期生产和生殖的影响需要详细评估.
- 了解临床治愈,抗菌药物治疗和随后的表现之间的关系对于优化奶牛群管理至关重要.
研究的目的:
- 评估抗微生物治疗 (ceftiofur) 与不治疗对乳生产,生殖成功和乳母奶牛患有甲状炎的屠宰率的影响.
- 确定临床治愈状态对这些相同的性能参数的影响.
- 调查抗菌治疗和治愈状态之间对奶牛生产力和生育能力的潜在相互作用.
主要方法:
- 利用了来自美国3个州900头霍尔斯坦牛的数据,诊断出甲状腺炎.
- 随机分配的奶牛被分为ceftiofur (CEF) 治疗或没有治疗 (NT) 组.
- 根据产后13天的阴道泄漏评估了临床治愈;使用后勤回归分析了牛奶产量,怀孕风险和杀,Cox比例危险,并重复测量ANOVA.
主要成果:
- 与没有治疗相比,Ceftiofur治疗增加了临床治愈的风险.
- 临床治愈,而不是抗微生物治疗,与改善怀孕率和减少怀孕时间有关.
- 根据治愈状态和治疗,观察到牛奶产量差异,根据平价和哺乳期不同.
结论:
- 临床治愈甲状炎与乳牛的增强牛奶产量和生殖结果有积极联系.
- 临床治疗对生殖的好处与使用的抗微生物药物治疗是独立的.
- 研究结果表明,需要对选择性抗微生物治疗方法进行进一步的研究,以治疗甲状腺炎.
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