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Paulina Cholewińska¹, Natalia Szeligowska², Konrad Wojnarowski¹

¹Chair for Fish Diseases and Fisheries Biology, Ludwig-Maximilians-University of Munich, 80539, Munich, Germany.

Scientific reports

|July 20, 2023

概括

绵羊的品种和生理状态显著影响肠道微生物群落. 早期怀孕和羊羔显示,母羊的细菌多样性最高,品种影响特定的微生物水平.

科学领域:

动物微生物学动物微生物学
动物科学动物科学
肠道微生物组研究研究

背景情况:

动物肠道微生物群落受到饮食,环境,品种和生理状况的影响.
了解这些影响对于动物健康和生产力至关重要.

研究的目的:

调查绵羊品种和生理时期对便微生物类和家族的影响.
为了确定与不同品种和母羊的繁殖阶段相关的特定细菌变化.

主要方法:

使用定量PCR (qPCR) 分析细菌水平.
从三个波兰羊品种 (波兰低地羊 (PON),Swiniarka羊 (SW) 和合成线BCP) 在各种生理时期 (受孕,早期怀孕,羔羊,哺乳期结束) 收集了便样本.

主要成果:

无论是羊品种 (p=0.038) 还是生理时期 (p<0.05,p<0.01) 都显著影响了分析细菌的水平 (Firmicutes, Bacteroidetes, Actinobacteria, Proteobacteria, Clostridiaceae, Lactobacillaceae).
与PON和SW品种相比,BCP合成系显示出明显的微生物特征,除了Actinobacteria.
在Proteobacteria和Clostridiaceae的水平上,PON和SW品种有所不同.
早期怀孕和羊羔阶段表现出最高的微生物多样性.

结论:

羊的品种和生理阶段是便微生物组成的关键决定因素.
生殖阶段,特别是早期怀孕和羔羊,与母羊肠道微生物多样性的增加有关.
品种特定的微生物差异需要进一步研究有针对性的管理策略.

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