技术解决方案降低猪断料中的蛋白质含量,提高性能,肠道效率和环境可持续性
Michele Lanzoni1, Paul De Smet2, Giovanni Ferrari3
1DVM, Nutritionist and Farm Consultant, 47032 Bertinoro, Italy.
Animals : an open access journal from MDPI
|June 26, 2025
概括
对小猪的创新低蛋白饮食改善了生长和料效率. 在小猪料中用氨基酸取代来自动物的成分,提高了性能和固.
科学领域:
- 动物营养 动物营养
- 猪生产 生产 猪生产
- 料科学 料科学
背景情况:
- 传统的小猪饮食通常依赖于鱼粉和血液衍生物.
- 优化营养利用和减少对动物副产品的依赖是猪营养的关键挑战.
研究的目的:
- 为了评估没有鱼粉和血液衍生物的低蛋白饮食在断奶小猪的有效性.
- 为了比较传统养小猪与新型低蛋白饮食的生长性能和气保留.
主要方法:
- 180只断奶小猪被分为三个组:对照组 (鱼粉,血),T1 (低蛋白,含鱼粉和血),T2 (低蛋白,不含鱼粉和血).
- 断奶后的饮食分为两个阶段进行,并监测关键性能指标,包括平均体重,平均每日增益 (ADG) 和料转换比率 (FCR).
- 测量气保留以评估营养利用率.
主要成果:
- 与第一阶段的对照组相比,T1和T2饮食的结果是平均体重,ADG显著增加,FCR改善.
- 在整个试验期间,T2组在对照组中表现出持续优越的体重,ADG和FCR.
- 与T1 (54.13%) 和对照组 (54.02%) 相比,T2饮食导致留量显著增加 (58.71%).
结论:
- 没有动物来源的成分 (T2) 的低蛋白饮食对断奶小猪非常有效.
- 这种创新的养策略提高了小猪的表现和利用率.
- 消除鱼粉和血液衍生物,以取代必需氨基酸,为猪营养提供了更有效和潜在的可持续方法.
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