断奶猪鱼粉营养价值的变化和预测方程的发展
Pei Yang1, Xiaoyan Su1, Bin Li2
1Key Laboratory for Animal Disease-Resistance Nutrition of Ministry of Education, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu 611130, China.
Animals : an open access journal from MDPI
|July 12, 2025
概括
鱼粉是一种鱼粉.
科学领域:
- 动物营养 动物营养
- 生物化学 生物化学
背景情况:
- 鱼粉是动物料中重要的蛋白质来源.
- FM质量的变化可能会影响动物的表现和健康.
- 精确的 FM 营养评估对于精确养至关重要.
研究的目的:
- 为了评估FM中的氨基酸 (AAs) 的明显的乳腺消化能力 (AID) 和标准化的乳腺消化能力 (SID).
- 确定FM.的可消化能量 (DE) 和可代谢能量 (ME).
- 开发FM营养价值的预测方程.
主要方法:
- 两项实验使用入的断奶猪 (杜洛克 × 兰德雷斯 × 约克郡).
- 拉丁方形设计来评估AID,SID,DE,ME,以及明显的全道消化能力 (ATTD).
- 逐步回归分析以建立基于化学成分的预测方程.
主要成果:
- 在FM样本中,AAA的AID和SID存在显著差异.
- 亚胺酸SID与抗氧化剂/免疫标志物之间的正相关性;与氧化应激标志物之间的负相关性.
- 在FM样本中,干物质DE,ME和ATTD的显著变化.
结论:
- 猪饮食中FM的营养价值经常被低估.
- 这项研究为FM质量评估提供了精确的数据和预测工具.
- 这些发现支持应用精准营养策略来利用FM.
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