低蛋白饮食中的WOD188肉对素的要求:从生长性能和肠道健康的见解
Yujie Li1, Weiyu Li1, Jianlou Song1
1State Key Laboratory of Animal Nutrition and Feeding, College of Animal Science and Technology, China Agricultural University, Beijing, 100193, China.
The Journal of nutrition
|January 10, 2026
概括
这项研究确定了低蛋白饮食的 brojlers 的 arginine 需求,发现最佳水平提高了生长,肉质和利用率. 补充改善了肠道健康,改变了肠道微生物群的组成.
科学领域:
- 动物营养 动物营养
- 禽畜科学 禽畜科学 禽畜科学
- 氨基酸新陈代谢 氨基酸新陈代谢
背景情况:
- 低蛋白饮食对于解决肉生产中的蛋白质料短缺至关重要.
- 准确满足 brojlers 的氨基酸要求对于这些饮食的有效性至关重要.
研究的目的:
- 为了确定WOD188肉对低蛋白饮食养的氨酸的要求.
- 评价阿金宁补充剂对肉生长,肠道功能和代谢的影响.
主要方法:
- WOD188 brojlers 被食的饮食有不同的标准化叶消化性氨酸与氨酸比率 (SID Arg:Lys).
- 分析了生长性能,血清参数,肉质,肠道形态,基因/蛋白质表达和微生物群.
- 测量排泄物中的含量以评估代谢.
主要成果:
- 开发了一个动态氨酸需求模型:Y=1.703×BW0.70+0.750×BWG.
- 最佳的生长和利用发生在SID Arg:Lys比率为107%115%时.
- 补充氨酸改善了肠道形态,屏障功能和调节了肠道微生物群,减少了炎症因素并增加了像Lactobacillus这样的有益细菌.
结论:
- 该研究成功地建立了低蛋白饮食中的 brojlers 动态氨酸需求模型.
- 食中含有的氨酸显著提高了生长,尸体特征,肉质和利用效率.
- 素对肠道健康,微生物群组成和肉的屏障功能有积极的影响.
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