大豆餐替代品对杜蒙特羊羔生长表现,乳液发酵,乳液微生物和代谢物的影响
Henan Lu1, Hairong Wang1,2, Boyang Li1
1Animal Nutrition and Feed Science, Inner Mongolia Agricultural University, Hohhot 010018, China.
Animals : an open access journal from MDPI
|November 13, 2025
概括
在杜蒙特羔羊的饮食中用尿素,大麻和棉花取代大豆,改善了小麦芽发酵和微生物蛋白质. 这些替代性料成分优化营养代谢和微生物多样性,以改善羔羊的生长.
科学领域:
- 动物营养和新陈代谢
- 体微生物学和发酵过程
- 农业科学 农业科学
背景情况:
- 豆是反动物饮食中主要的蛋白质来源.
- 探索替代蛋白质和源对于可持续的畜牧业生产至关重要.
- 了解料成分对皮功能的影响是优化动物表现的关键.
研究的目的:
- 为了评估用尿素取代大豆粉,菜粉和棉花粉在杜蒙特羔羊饮食中的效果.
- 为了研究对生长表现的影响,乳头发酵和微生物转基因组学.
- 阐明所观察到的表型变化背后的代谢机制.
主要方法:
- 二十四只杜蒙特羊羔被分配到四个饮食组:对照组 (大豆) 和三个治疗组,其中尿素含量不同,油菜和棉花含量不同.
- 分析了发酵参数,包括氨 (NH3-N) 和总挥发性脂肪酸 (TVFA).
- 体微生物转基因组学和代谢学被用来理解微生物社区结构和代谢途径.
主要成果:
- 补充尿素 (T2,T3) 的饮食显著增加了氨 (NH3-N) 和微生物蛋白 (MCP) 含量.
- 在T3组显示增加了总挥发性脂肪酸 (TVFA) 和MCP,增强营养吸收.
- T4组 (尿素 + 菜粉 + 棉花粉) 改善了小发酵,微生物多样性和碳,和硫的协同代谢效率.
结论:
- 部分或完全用尿素,菜粉和棉花粉取代大豆粉可以积极调节Dumont羔羊的反发酵和微生物活性.
- 这些替代成分影响特定的新陈代谢途径,包括阿尔金因生物合成和硫代谢,由Prevotella属介导.
- 需要进一步的研究,才能充分了解后的新陈代谢和吸收机制.
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