乳制品生产商的乳酪实践,营销以及对雄性乳牛犊的态度
Ting-Yu Cheng1, David L Renaud2, Kathryn L Proudfoot3
1Department of Veterinary Preventive Medicine, College of Veterinary Medicine, The Ohio State University, Columbus, OH 43210.
Journal of dairy science
|January 12, 2024
概括
与雌性相比,雄性奶牛经常经历延迟的乳酪养,这影响了他们早期的生活护理. 营销实践和农场规模也会影响小牛在运输时的年龄,突出了改善乳牛管理的领域.
科学领域:
- 动物科学动物科学
- 兽医医学 兽医医学 兽医医学
- 农业经济学 农业经济学
背景情况:
- 优质的早期护理对乳牛健康和福利至关重要.
- 来自奶牛场的多余雄性牛犊带来了独特的管理挑战.
- 大奶粉的摄入对于新生儿小牛的免疫力和生存至关重要.
研究的目的:
- 为了描述雄性奶牛小牛的营销做法.
- 为了确定雄性和雌性小牛犊之间乳酪管理的差异.
- 探索胆乳实践与生产者对雄牛仔养的态度之间的联系.
主要方法:
- 通过邮件调查315名美国乳制品生产商进行的横截面研究.
- 收集的数据包括农场人口统计,牛奶粉数量/及时性以及生产者的态度.
- 统计分析包括威尔科克森等级和值测试和多变量后勤回归.
主要成果:
- 与雌性相比,雄性小牛在第一次胆乳养时经历了较长的延迟.
- 40%的雄性小牛通过拍卖出售;超过一半在3-10天之间出售.
- 大型农场的销售年龄较小 (≤3天) 的雄牛比较小的农场.
结论:
- 对乳母乳的干预措施应该涵盖所有小牛,而不仅仅是雌性.
- 运输时的年龄因农场大小而有很大差异,这表明不同的管理策略.
- 生产者对工作负载的看法可能会影响母乳养,特别是在有机生产中.
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