Study of cattle microbiota in different regions of Kazakhstan using 16S metabarcoding analysis
Daugaliyeva A. Daugaliyeva S. Ashanin A. Kanatbayev S. Beltramo C. Peletto S.
December 2022Nature Research
Scientific Reports
2022#12Issue 1
Methane (CH4) is an important greenhouse gas (GHG). Enteric methane emissions from farmed ruminant livestock account for approximately 15% of global GHG emissions, with approximately 44% of livestock emissions in the form of methane. The purpose of the research is to study the influence of feeding types and regional characteristics of Kazakhstan on the microbiota of feces and the number of methane-forming archaea of beef and meat-and-dairy cattle productivity. For this purpose, fecal samples were taken rectally from 37 cattle heads from four regions of Kazakhstan (Western, Southern, Northern and Southeast). The taxonomic composition of the community in all samples was determined by 16S metabarcoding; additionally alpha and beta diversities were calculated. The dominant phyla were: Firmicutes (57.30%), Bacteroidetes (17.00%), Verrucomicrobia (6.88%), Euryarchaeota (6.49%), Actinobacteria (4.77%) and Patescibacteria (3.38%). Significant differences with regard to methanogens bacteria were found: Euryarchaeota were less present in animals from Western Kazakhstan (2.40%), while Methanobacteriales and Methanobrevibacter were prevalent in Southeast, and less abundant in Western region. Western Kazakhstan differs from the other regions likely because animals are mainly grazed in the pasture. Thus, grazing animals has an impact on their microbiota thus leading to a decrease in methane emissions.
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Kazakh Research Institute for Livestock and Fodder Production, St. Zhandosova 51, Almaty, Kazakhstan
Research and Production Center for Microbiology and Virology, St. Bogenbai batyr 105, Almaty, Kazakhstan
West Kazakhstan Research Veterinary Station, St. Gagarina 52/1, Uralsk, Kazakhstan
Istituto Zooprofilattico Sperimentale del Piemonte, Liguria E Valle d’Aosta, via Bologna 148, Turin, 10154, Italy
Kazakh Research Institute for Livestock and Fodder Production
Research and Production Center for Microbiology and Virology
West Kazakhstan Research Veterinary Station
Istituto Zooprofilattico Sperimentale del Piemonte
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