将Bacillus amyloliquefaciens衍生的固态发酵产品应用于口柜环境中的可行性,作为一种在口阶段减轻微生物繁殖的方法
Mitchell C Rowland1, Lucas E Graham1, Callie Selby1
1Department of Poultry Science, University of Arkansas Division of Agriculture; Fayetteville AR, 72701, USA.
Poultry science
|May 6, 2025
概括
氨基面菌的喷雾应用有效降低了化柜和的胃肠道中的微生物负载,类似于甲雾化. 菌株MCR002在不影响的表现的情况下表现出卓越的疗效,这表明它有潜力减轻化阶段的微生物繁殖.
科学领域:
- 禽畜科学 禽畜科学 禽畜科学
- 微生物学 微生物学
- 动物科学动物科学
背景情况:
- 甲通常用于口柜微生物控制.
- 有关甲对环境和健康的影响存在担忧.
- 需要使用替代方法来减少微生物负载.
研究的目的:
- 评估Bacillus amyloliquefaciens发酵产品作为化物的替代品,用于口柜微生物控制.
- 评估这些产品对胃肠道 (GIT) 的微生物殖民的影响.
- 为了确定对早期小表现指标的影响.
主要方法:
- 使用模拟微生物繁殖的环境挑战模型.
- 两种B. amyloliquefaciens菌株 (MCR002,MCR009) 被喷涂,并与甲雾化相比较.
- 评估了口柜和GIT中的微生物负载,以及的生长和料转换.
主要成果:
- 甲和B. amyloliquefaciens治疗都显著减少了GIT中的グラム阴性细菌,相比于受病原体挑战的对照组.
- B. amyloliquefaciens处理在降低口柜空气和小GIT中的微生物负载方面表现出与甲相似的有效性.
- 在治疗过程中,的表现 (体重增加,料转换率) 没有显著差异.
结论:
- 喷涂B. amyloliquefaciens菌株MCR002和MCR009可以有效地减少化场中的微生物污染.
- 这些益生菌为甲提供了可行的替代品,其中MCR002特别有前途.
- B. amyloliquefaciens的应用减轻了化期间的微生物繁殖,而不会对的表现产生不利影响.
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