在37个大奶牛群中,干牛治疗的部分直接成本的变化
J Leite de Campos1, A Kates2, A Steinberger3,4
1Department of Animal Science, Michigan State University, East Lansing, MI 48824.
JDS communications
|December 9, 2024
概括
选择性干牛疗法 (DCT) 可以显著降低乳牛群的抗菌剂使用 (AMU) 和成本. 实施选择性DCT的乳头健康记录可以节省每头母牛5美元以上,并将AMU减少51%.
科学领域:
- 兽医医学 兽医医学 兽医医学
- 动物科学 动物科学
- 乳制品群管理 乳制品群管理
背景情况:
- 干牛疗法 (DCT) 是乳牛群中常见的做法,用于预防乳腺炎.
- 由于对抗菌素耐药性的担忧,牲畜中的抗菌素使用 (AMU) 正在受到越来越严格的审查.
- 选择性干牛疗法 (DCT) 提供了一种潜在的策略,可以减少AMU,同时保持乳腺健康.
研究的目的:
- 估计当前干牛抗生素治疗 (DCT) 协议的直接成本.
- 评估选择性DCT的潜在货币节省和减少抗微生物药物使用 (AMU).
- 根据乳腺健康记录,确定影响选择性DCT资格的因素.
主要方法:
- 在威斯康星州一年内对37个大型奶牛群进行观察性研究.
- 追溯收集关于干燥协议,抗菌剂和乳头密封剂成本的数据.
- 对临床乳腺炎 (CM) 和体细胞计数 (SCC) 史的分析,以确定是否符合选择性DCT的资格.
主要成果:
- 每只干奶牛的DCT产品平均成本为19.57美元,在群体之间存在显著差异.
- 根据乳头健康记录的假设选择性DCT,可以使27.3%至93.3%的奶牛只符合乳头密封剂的条件.
- 选择性DCT可以降低每只干牛的成本5.37美元 (减少27%),并减少AMU约51%.
结论:
- 以乳健康记录 (SCC和CM史) 为指导的选择性DCT可以有效地减少乳牛群中抗菌剂的使用和直接成本.
- 拥有强有力的乳头健康管理和受控的传染性乳腺炎病原体的群体最有可能从选择性DCT中受益.
- 仔细实施至关重要,以避免潜在的不良健康结果,如增加的临床乳腺炎.
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