德克萨米他的使用恢复了暴露于热应激的奶牛犊的生长
Z Yu1, J M Cantet1, M R R Nair1
1Department of Animal Science, University of Tennessee Institute of Agriculture, Knoxville, TN 37996.
Journal of dairy science
|August 9, 2024
概括
热应激通过增加炎症对小牛的生长产生负面影响. 德甲治疗减少了炎症,恢复了热应激小牛的生长和养效率,表明其潜在的治疗益处.
科学领域:
- 动物科学动物科学
- 生理学 生理学 生理学
- 免疫学 免疫学 免疫学
背景情况:
- 热应激会影响小牛的生长和料效率.
- 炎症和肠炎与热应激诱导的生长损失有关.
- 德甲具有免疫抑制和抗炎性质.
研究的目的:
- 为了研究热应激对炎症标志物的影响,料效率和奶牛小牛的生长.
- 为了确定德克萨米他是否可以减轻热应激的负面影响.
主要方法:
- 32只荷尔斯坦牛犊受到了热中性或周期性热应激条件.
- 牛犊接受了盐水或甲治疗.
- 测量包括直肠温度,呼吸率,料摄入量,生长表现和骨/血清炎症标志物.
主要成果:
- 热应激增加了直肠温度,呼吸速率和水摄入量.
- 使用盐水的热应激降低了平均每日增益 (ADG) 和料使用效率.
- 德甲治疗恢复了热应激小牛的ADG和料使用效率.
- 热应激增加了阴茎IL-6,这被德甲正常化.
结论:
- 德甲有效地降低了炎症,恢复了热应激小牛的生长和养效率.
- 德克萨米他的抗炎作用可能有助于小牛重新分配营养物质以促进生长.
- 通过德克萨米他进行免疫调节提供了一种潜在的策略来管理小牛的热应激.
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