缓释乳品替代品养对乳品品种小牛的健康和行为参数的影响
Lea Krump1, Ríona G Sayers2, Katie Sugrue2
1Department of Biological and Pharmaceutical Sciences, Munster Technological University, Tralee, Ireland.
The Journal of dairy research
|September 18, 2023
概括
慢释放的牛奶替代剂每天给新生乳牛一次养,保持了有利的血糖和腹指标. 这种养策略支持了小牛的健康和行为,与传统的每天两次养相当.
科学领域:
- 动物科学动物科学
- 乳制品科学 乳制品科学
- 动物福利 动物福利
背景情况:
- 新生儿奶牛管理通常涉及频繁的牛奶替代品养.
- 优化养计划可以改善小牛的福利,特别是在运输过程中.
- 缓释乳品替代剂配方提供了一个潜在的解决方案,以减少频繁的养.
研究的目的:
- 为了评估缓释乳替代剂对新生儿乳牛健康和行为的影响.
- 为了评估生理和行为反应,每天一次养专门的牛奶替代品.
- 为了确定缓释配方是否可以在减少养频率的情况下保持小牛的福利.
主要方法:
- 15只新生乳牛被分为三个组:对照组 (每天两次使用常规牛奶替代剂),缓释组 (每天一次使用常规牛奶加微封装料) 和富含替代剂 (每天一次使用状素丰富的牛奶替代剂).
- 血液样本在食前和食后6小时,12小时,18小时和24小时收集,以分析酸参数,电解质,葡萄糖,皮质醇,胰岛素,胆囊托基宁和子蛋白.
- 在养后6至14小时间监测小牛的行为.
主要成果:
- 与对照组相比,放缓释放组在6小时,12小时和18小时后的葡萄糖水平显著更高.
- 胰岛素水平在缓释组中保持稳定,与对照组和丰富组不同,在养后比对照组低.
- 缓释组的行为模式与对照组相似,而富含组表现出不太有利的行为.
结论:
- 每天一次用放缓释放的牛奶替代品养,可以支持新生乳牛的血糖和和相关变量.
- 与传统的每天两次养相比,这种养方法对小牛的行为没有负面影响.
- 缓释牛奶替代剂通过减少养频率来改善小牛的福利是一个可行的选择.
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