缩剂水平对肠道发酵和日本劳动马的微生物特征的影响
Rintaro Yano1, Tomoe Moriyama2, Miho Fujimori1
1Graduate School of Animal Husbandry, Obihiro University of Agriculture and Veterinary Medicine, Hokkaido 080-8555, Japan.
Journal of equine science
|January 26, 2024
概括
高度的饮食可以破坏日本征程马的后肠发酵,导致异常的肠道环境. 养策略应考虑微生物动态,以确保马匹的最佳健康.
科学领域:
- 马的营养 马的营养
- 肠道微生物组研究研究
- 动物生理学 动物生理学
背景情况:
- 高度饮食在赛马中很常见,但可能导致后肠发酵问题.
- 这种饮食对日本劳动马的后肠环境的影响仍未得到充分研究.
- 对于日本征兵马来说,最佳的养管理需要对其后肠生理学的研究.
研究的目的:
- 为了研究高度饮食对日本劳动马的后肠发酵的影响.
- 分析便代谢特征和微生物组合,以应对不同的养模式.
- 为这群马群体提供有关适当养管理的见解.
主要方法:
- 从20匹雄性日本拖拉马采集了便样本,根据两个养计划:高度 (HC,65%) 和中度 (MC,50%).
- 分析了便代谢概况,包括乳酸度和pH值.
- 使用测序技术评估了微生物群的多样性和组成.
主要成果:
- 与MC组相比,HC组呈现出明显更高的乳酸盐度和较低的便pH值.
- 微生物组分析显示,HC组中的微生物多样性减少.
- 在HC组中观察到链球菌种类的相对丰富性增加,而MC组与纤维分解性细菌相似,如Clostridium saccharolyticum和Ruminococcus albus.
结论:
- 过度养缩剂诱导了日本劳动马的异常后肠发酵.
- 料管理策略应将微生物动态与料成分相结合.
- 需要进一步的研究,以建立基于肠道健康的日本征程马的最佳养设计.
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