蒸商在饮食中含有可溶和酶的干谷物影响肉的表现,肠道健康和微生物群组成
Gabriela C Dal Pont1, A Lee1, C Bortoluzzi1
1Department of Poultry Science, Texas A&M AgriLife Research, Texas A&M University, College Station, TX 77843.
Poultry science
|September 24, 2023
概括
蒸商在肉的饮食中含有高达14%的可溶性干谷物 (DDGS) 并没有影响性能. 用外源酶补充改善了肠道健康和性能,支持DDGS在家禽营养中的使用.
科学领域:
- 动物科学动物科学
- 禽类的营养 养
- 微生物学 微生物学
背景情况:
- 蒸机用可溶性干燥谷物 (DDGS) 是生物燃料行业的一个有价值的副产品.
- 它在肉饮食中的含有可能受到影响肠道健康和功能的反营养因素的限制.
- 外源酶可能会减轻这些影响.
研究的目的:
- 评估DDGS含量水平 (0,7,14%) 有或没有外源酶 (多碳水化合物复合物+植物酶[MCPC]) 对肉的表现,肠道健康,饮食消化能力和微生物群的影响.
- 确定MCPC补充剂在改善肉对DDGS基饮食的反应方面的有效性.
主要方法:
- 使用了一个完全随机的设计,采用了3x2的因数排列,涉及288只一天大的肉,分配给6个治疗.
- 治疗包括3个DDGS水平 (0,7,14%) 和2个酶含量 (没有或含有MCPC).
- 评估的参数包括性能,阴茎消化能力,肠道组织学,肠道透性,血清炎症生物标志物和阴茎/阴茎微生物群组成.
主要成果:
- 多达14%的DDGS含量没有对肉的表现产生负面影响,而MCPC补充剂显著改善了表现.
- 加入DDGS影响了干物质和总能量消化能力,而MCPC改善了肠道组织学评分,表明肠道健康更好.
- DDGS降低了叶微生物群的多样性,但增加了叶微生物群的多样性,与细菌类/家族的积极转变. 补充MCPC也促进了有益的微生物变化.
结论:
- 在不影响性能的情况下,DDGS可在肉饮食中包含多达14%.
- 补充多碳水化合物复合物 + 植物酶 (MCPC) 增强肉的性能和肠道健康,当DDGS被包括在内.
- 酶补充剂通过改善肠道健康和调节微生物群组成,支持DDGS在家禽营养中的有效利用.
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