饮用热水通过提高雅克小牛的营养消化能力和乳头发酵功能来提高性能
Tianxu Liu1, Chenxi Gao1, Shenfei Long1
1State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China.
Animals : an open access journal from MDPI
|July 14, 2023
概括
饮用热水显著改善了雅克小牛的生长性能和营养利用. 热水增强了免疫功能,营养物质的消化能力和小发酵,导致冬季整体健康和发育更好.
科学领域:
- 动物科学动物科学
- 类动物营养 类动物营养
- 畜牧生理学 畜牧生理学
背景情况:
- 雅克小牛在冬季面临挑战,因为低温会影响它们的生长和健康.
- 水温是影响牲畜料摄入量和新陈代谢的关键环境因素.
研究的目的:
- 为了研究热水消耗对冬季雅克小牛生长,血清生物化学,营养消化能力和反动物发酵的影响.
- 为了确定是否提供20°C的水优化了与冷水相比,雅克小牛的生理功能.
主要方法:
- 24只雅克小牛被随机分配到冷水 (0-10°C) 或加热水 (20°C) 组2个月.
- 评估的体重增加,血清生物化学指数 (包括免疫球蛋白和荷尔蒙),营养物的表面全管消化能力 (ATTD) 和小鼠发酵参数.
主要成果:
- 热水摄入导致雅克小牛的总体重增加和平均每日体重增加显著增加.
- 通过加热水观察到免疫球蛋白M,白蛋白-6,甲状腺激素,生长激素和血清蛋白 (总蛋白质,白蛋白,尿素) 的显著增加.
- 表面上看,原蛋白和提取物的通道总消化能力,以及黄皮中的总挥发性脂肪酸,酸和酸,都被加热的水显著提高.
结论:
- 在冬季提供20°C的加热水可以提高雅克小牛的生长性能.
- 热水对营养物质的消化能力和反动物发酵有积极的影响,有助于增强生理功能和整体性能.
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