低酸结合能力的特种大豆蛋白来源对在商业环境中的育猪表现的影响
Ethan B Stas1, Alan J Warner2, Zach B Post2
1Department of Animal Sciences and Industry, Kansas State University, Manhattan, KS 66506-0201, USA.
Translational animal science
|January 23, 2025
概括
低酸结合能力 (ABC) 的特种大豆蛋白改善了断奶猪的表现,提高了平均每日收益和料摄入量. 这些大豆蛋白为禽肉和血提供了可行的替代品,类似于药理学水平.
科学领域:
- 动物科学动物科学
- 营养科学 营养科学
- 农业科学 农业科学
背景情况:
- 专用大豆蛋白 (SSP) 越来越多地用于动物料中.
- 了解大豆蛋白中的酸结合能力 (ABC) 的影响对于优化小猪的营养至关重要.
- 低ABC大豆蛋白可能会影响营养消化能力和小猪生长.
研究的目的:
- 评估低酸结合能力 (ABC) 专用大豆蛋白源对断奶猪表现的影响.
- 为了比较特种大豆蛋白缩物 (SSPC) 和微生物增强大豆粉 (MESBM) 作为家禽粉 (PM) 和喷雾干燥血 (SDBP) 的替代品的疗效.
- 为了研究饮食ABC在pH4 (ABC-4) 和补充 (Zn) 对小猪生长的相互作用.
主要方法:
- 进行了两项涉及2260只和1057只断奶猪的实验.
- 实验1使用了2x2的因数排列,以SSPC或MESBM取代PM或PM和SDBP.
- 实验2检查了低ABC-4饮食与高ABC-4饮食的效果,有或没有药理水平的Zn.
主要成果:
- 替代PM的大豆蛋白源养的猪显示平均每日益 (ADG) 和平均每日料摄入量有所改善.
- 专用大豆蛋白缩剂 (SSPC) 与微生物增强大豆粉 (MESBM) 和SDBP替代品相比,导致更好的增益-料 (G:F) 比率.
- 观察到ABC-4和Zn之间的显著相互作用;低ABC-4饮食改善了ADG和G:F,没有添加Zn,但没有添加Zn.
结论:
- 低ABC特种大豆蛋白有效地提高了断奶猪的性能.
- 这些大豆蛋白质是传统蛋白质来源的有价值替代品,如PM和SDBP.
- 通过特殊的大豆蛋白来达到较低的饮食ABC-4水平,可以提高小猪的表现,与药理学Zn补充剂的效果相当.
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