在体外研究中,沙波尼特粘土对乳头发酵参数的影响
Alina Pikhtirova1, Ewa Pecka-Kiełb2, Bożena Króliczewska2
1Department of Public Health, SE Medical Institute, Sumy State University, Rymskogo-Korsakova 2, 40007 Sumy, Ukraine.
Animals : an open access journal from MDPI
|March 13, 2024
概括
沙波尼特粘土减少了牛发酵中的甲产量. 这种粘土补充剂还提高了发酵效率和改变了挥发性脂肪酸概况,显示出减少牛群温室气体排放的前景.
科学领域:
- 动物科学动物科学
- 环境科学 环境科学
- 地质化学 地质化学
背景情况:
- 减少全球变暖气体是一个关键的环境挑战.
- 动物发酵对温室气体排放有很大影响.
- 了解改变皮功能的料添加剂至关重要.
研究的目的:
- 为了研究沙波尼特粘土对奶牛体外乳头发酵的影响.
- 评估对甲 (CH4) 和挥发性脂肪酸 (VFA) 生产的影响.
- 为了评估发酵效率和速度的变化.
主要方法:
- 在体外化以不同剂量的沙波尼特粘土 (0.15g和0.25g) 进行反液的化.
- 测量pH值,总气体产量,CH4和VFA度.
- 对发酵速度,酸盐:黄酸盐比率 (P:B) 和发酵效率 (FE) 的分析.
主要成果:
- 沙波尼特粘土没有改变pH值,但显著减少了总气体和CH4的产生.
- 甲的减少范围从24%到46%与粘土的添加.
- 酸增加,黄油酸减少,导致更高的P:B比率和更好的FE.
结论:
- 沙波尼特粘土有效地减轻了在黄皮发酵期间的甲产量.
- 粘土增强了粉分解和发酵效率.
- 需要进一步的体内研究来证实对牛生产率和减排的影响.
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