额外的氨酸和单氨酸对生长表现,肠道健康和肌肉生长的影响 在生死肠炎挑战下的肉中
1Department of Poultry Science, University of Georgia, Athens, GA 30602, USA.
Animals : an open access journal from MDPI
|September 27, 2025
概括
补充瓦林和异黄素并没有显著减轻的死肠炎 (NE). 额外的异黄素可能会对的生长性能产生负面影响,这取决于NE挑战的强度.
科学领域:
- 禽类的营养和疾病
- 鸟类免疫学 鸟类免疫学
- 动物科学动物科学
背景情况:
- 结核性肠炎 (NE) 是家禽生产中的一个重要疾病.
- 氨基酸补充正在探索以减轻疾病影响.
研究的目的:
- 为了研究补充瓦林和异黄素对与NE.挑战的的影响.
- 评估不同NE挑战强度对补充剂有效性的影响.
主要方法:
- 648只7天大的雄性Cobb 500被用在两个实验中,具有不同的NE挑战水平.
- 治疗包括非挑战的对照,NE挑战和补充瓦林,异黄素或混合物.
- 评估的体重增加,肠道透性,病变得分,C. perfringens数量,形态,基因表达和尸体特征.
主要成果:
- 在所有受到挑战的群体中,NE挑战显著减少了体重增加.
- 在一项实验中,补充异黄素进一步降低了体重增加,相比NE挑战的鸟类.
- 在NE挑战组之间,在肠道完整性,病变得分,细菌数量,形态,基因表达或尸体组成方面没有发现显著差异.
结论:
- 补充130%的氨酸和异黄素并没有有效地减轻NE的负面影响.
- 额外的异黄素可能会加剧NE挑战下的生长减缓.
- 胰岛素补充剂对生长性能的影响可能会受到NE挑战严重性的影响.
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