Comparative Analysis of the Methanogen Microbiota Associated to Pasture and Stall Housing in Kazakh Cattle
Daugaliyeva A. Daugaliyeva S. Partipilo T. Ashanin A. Peletto S.
11 April 2024Istituto Zooprofilattico dellAbruzzo e del Molise
Veterinaria Italiana
2024#60Issue 2
The microbial community of cattle rumen (archaea) are the key players in methane emissions. Methane pollutes the atmosphere and leads to the loss of feed energy. The aim of this study was to comparatively investigate the cattle microbiota, with a particular focus on archaea, in relation to the type of housing: pasture versus stall. A 16S metabarcoding analysis of the intestinal contents of cattle was carried out. Аlpha-diversity of grazing animals showed to be higher compared to animals in the stall period (p=0.002). Beta-diversity confirmed a difference in methanogens and microbiota between animals kept on pasture and those in a stall. Differential abundance analysis showed that the relative abundance of the Methanobacteriacea family in animals in the pasture period was significantly higher compared to animals in the stall period (FDR p = 0.00122). In conclusion, this study demonstrates that the concentration of methanogens in the fecal contents of animals during pasture period was higher than that in animals during the stall period. We recommend feeding grazing animals with concentrates in the evening in order to mitigate methane emissions.
Archea , Cattle , Kazakhstan , Methane , Microbiota
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Kazakh Research Institute for Livestock and Fodder Production, Almaty, Kazakhstan
Scientific Production Center of Microbiology and Virology, Almaty, Kazakhstan
Istituto Zooprofilattico Sperimentale del Piemonte, Liguria e Valle d’Aosta, Turin, Italy
Kazakh Research Institute for Livestock and Fodder Production
Scientific Production Center of Microbiology and Virology
Istituto Zooprofilattico Sperimentale del Piemonte
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