食粉结构通过改变葡萄糖释放速度来调节产母的代谢
Zhuorui Li1, Jingya Xu1, Fengdong Zhang1
1College of Animal Science & Technology, Northwest A&F University, Yangling 712100, Shaanxi, China.
International journal of biological macromolecules
|September 13, 2024
概括
在低蛋白饮食中优化粉素/粉素 (AP/AM) 比率可显著提高产母母的表现和利用率. 较高的AP/AM比率提高了蛋的重量和料的效率,有利于肠道健康和营养代谢.
科学领域:
- 动物营养 动物营养
- 禽畜科学 禽畜科学 禽畜科学
- 胃肠道微生物学 胃肠道微生物学
背景情况:
- 粉的结构,特别是氨酸/氨酸 (AP/AM) 的比率,会影响营养的消化和利用.
- 了解这些影响对于优化产母的低蛋白饮食至关重要.
研究的目的:
- 调查低蛋白饮食中不同AP/AM比例对产卵母产量,利用率和菌群的影响.
- 确定最佳的粉结构,以改善家禽营养和肠道健康.
主要方法:
- 一个为期12周的养试验,涉及480只Hy-Line Gray (45周大) 产母.
- 五个饮食组被食的饮食与AP/AM比率从1.0到4.0.
- 评估生产性能,利用率,肠道消化能力,能量代谢和菌群的组成.
主要成果:
- 具有AP/AM比率为4.0的饮食显著改善了平均蛋重量和料转换率.
- 增加AP/AM比率线性增强了肠道氨基酸的消化能力,可代谢的能量和皮面积.
- 更高的粉糖含量改善了蛋厚度和原蛋白消化能力,同时减少了氨基酸氧化.
- 适度的粉糖饮食促进了与利用相关的有益的菌 (例如,乳酸菌).
结论:
- 粉结构,特别是AP/AM比率,在产母的营养和表现方面发挥着重要作用.
- 优化粉AP/AM比率可以提高禽类的卵产量,营养利用和肠道健康.
- 研究结果为设计改进的料配方和针对营养代谢和肠道平衡的潜在治疗策略提供了洞察力.
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