培养在含有或不含大豆粉的饮食中的 brojlers 的消化能力的比较
Xiaomeng Ye1, Feng Zhao1, Cong Ren1
1The State Key Laboratory of Animal Nutrition and Feeding, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, China.
Poultry science
|July 4, 2025
概括
肉饮食中的大豆粉会影响生长和消化酶活性. 没有大豆的饮食会降低消化能力,影响家禽料中代谢能量的确定.
科学领域:
- 动物营养 动物营养
- 禽畜科学 禽畜科学 禽畜科学
- 消化系统生理学 消化系统生理学
背景情况:
- 豆是肉饮食中常见的蛋白质来源.
- 探索替代植物蛋白来取代大豆粉.
- 饮食成分可以影响肉的消化能力和能量利用.
研究的目的:
- 为了研究与大豆或不含大豆的饮食中的肉消化能力.
- 评估饮食蛋白质来源对可代谢能量确定的影响.
- 为了比较饮食组之间的生长性能和消化酶活性.
主要方法:
- 288英的雄性 brojler 被养为玉米-大豆食 (CSMD) 或无玉米-大豆食 (CSMFD).
- 测量了生长性能,消化液参数和潜在可消化能量 (PDE).
- 在PDE量化中使用了体外消化方法.
主要成果:
- 与CSMD相比,CSMFD上的肉显示了较低的平均每日料摄入量和增加.
- 在CSMD.养的 brojler中,chymotrypsin活性更高.
- 减少PDE排泄物和数量更大的代谢能 (ME) 的CSMD观察到以前在CSMD上养的肉.
结论:
- 饮食蛋白质来源显著影响肉的体重和消化酶活性.
- 没有大豆的饮食可能会降低消化能力,影响肉的能量利用.
- 这些发现强调了饮食蛋白质来源对于优化 brojiler营养和料评估的重要性.
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