丝虫 (Bombyx mori) 基托桑对乳头发酵,甲基生成和微生物群体在体外的作用
Yemima Gresia Sagala1, Lincah Andadari2, Tri Hadi Handayani2
1Study Program of Nutrition and Feed Science, Graduate School of IPB University, Bogor Indonesia.
Veterinary world
|July 30, 2024
概括
丝虫幼虫酸盐有效抑制反动物的肠道甲产量,模仿商业酸盐. 混合丝虫菌株显示出优异的甲抑制,为减少畜牧业温室气体排放提供了一个有希望的自然解决方案.
科学领域:
- 动物营养和环境科学
- 生物技术和自然产品的利用
- 农业的可持续性 农业的可持续性
背景情况:
- 动物肠道甲 (CH4) 是全球变暖的重要贡献者.
- 已知来自甲类来源的奇托可以降低乳头甲生成.
- 丝虫幼虫酸对抑制甲的潜力尚未得到充分探索.
研究的目的:
- 为了研究丝虫幼虫奇托提取的疗效.
- 为了评估丝虫奇托桑对乳头发酵和体外甲生成的影响.
- 为了比较不同的丝虫菌株和商业化素对甲抑制的作用.
主要方法:
- 随机的完整区块设计,包括五种治疗方法,包括对照剂,三种丝虫胆素 (CHI804,CHIPS01,CHIJC02) 和商用胆素 (CHICOMM).
- 在试验室内进行化,评估干物质可消化性 (DMD),pH,气体生成,CH4,氨 (NH3-N),短链脂肪酸 (SCFA) 和微生物种群.
- 使用一般线性模型和肯测试进行统计分析.
主要成果:
- 丝虫基托 (CHIJC02) 的质量与商业基托 (CHICOMM) 的质量相似.
- CHI804减少了气体产量,NH3-N,以及基基纤维溶解物种群.
- CHIJC02显著降低了CH4的产量,甲基群和酸盐 (C2) 的产量,同时增加了酸盐 (C3) 的产量. 无论是CHIJC02还是CHICOMM,都增加了R. flavefaciens,S. ruminantium和Bacteroides spp.的种群. 添加素减少了DMD,但没有影响有机物质的消化能力或pH值.
结论:
- 提取的丝虫基托具有与商业基托相似的物理化学特性.
- 来自混合丝虫菌株 (CHIJC02) 的基托与商业基托相比,表现出更好的甲生成抑制.
- 奇托桑在调节乳头发酵和微生物种群方面的有效性取决于其来源.
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