产母的低蛋白饮食中的,非酸盐和电解质平衡:评估产母的产卵性能,蛋质量和营养利用率
Xinyi Zhang1, Jiayi Shi1, Qingyuan Li1
1College of Animal Science and Technology, Northwest A&F University, Yangling 712100, Shaanxi, China.
Poultry science
|December 6, 2025
概括
产母的低蛋白饮食需要仔细平衡 (Ca),非植物酸 (NPP) 和食电解质平衡 (DEB). 根据NY/T 33-2004的Ca和NPP水平 (3.50%和0.32%) 在DEB为195mEq/kg时有效.
科学领域:
- 动物营养 动物营养
- 禽畜科学 禽畜科学 禽畜科学
- 营养物质的新陈代谢
背景情况:
- 产母中和宏观矿物营养之间的关系至关重要.
- 低蛋白饮食需要重新评估 (Ca),非酸 (NPP) 和电解质平衡.
- 优化营养水平对于的生产力和健康至关重要.
研究的目的:
- 为了研究不同 (Ca),非酸盐 (NPP) 和食电解质平衡 (DEB) 水平对养低蛋白饮食的产母的影响.
- 为了确定蛋质量和营养利用的最佳Ca,NPP和DEB水平.
- 评估这些营养素对生理指标和基因表达的影响.
主要方法:
- 一个3×3因数实验,对756只Hy-Line Brown (49周大) 产母进行了15.0%原蛋白饮食.
- 测试了三种和NPP (3.50%Ca/0.32%NPP; 3.91%Ca/0.38%NPP; 4.20%Ca/0.30%NPP) 的水平.
- 应用了三种饮食电解质平衡 (DEB) 水平 (45,120和195mEq/kg).
主要成果:
- ,NPP和DEB之间的相互作用影响了血液中的肌和水平,营养素消化能力和十二指肠基因表达 (ATP1A1,SLC2A9).
- 与其他水平相比,低Ca (3.50%) 和NPP (0.32%) 改善了蛋强度,白皮高度和豪斯单位.
- 较高的DEB (195mEq/kg) 增强了干物质和原蛋白明显的全道消化能力 (ATTD) 和TRPV5表达.
结论:
- 关于Ca (3.50%) 和NPP (0.32%) 的NY/T 33-2004建议在产母的低蛋白饮食中有效.
- 将这些Ca和NPP水平与195mEq/kg的DEB水平相结合,可以优化蛋质量和营养利用.
- 较高的Ca和NPP水平可能会对功能造成生理负担.
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