Microbial Community and Its Association With Physicochemical Factors During Compost Bedding for Dairy Cows

Frontiers in Microbiology
Likun SunShuangbao Gun

Abstract

Overproduction of livestock manure can cause significant environmental challenges. Compost bedding (CB) is considered an effective approach for recycling the agricultural byproducts and improving the welfare of dairy cattle. During the CB preparing, the composition of microbial communities is usually altered; however, the patterns and drivers of CB microbial communities remains to be investigated. The current study aimed to explore the dynamics of bacterial and fungal communities during the various padded stages, using high throughput sequencing technology and qPCR. The relationships across physicochemical parameters, microbial community composition, and abundance were also evaluated. Sequencing results revealed that Proteobacteria, Bacteroidetes, Actinobacteria, and Firmicutes of bacteria, and Ascomycota of fungi as the major phyla found in CB. qPCR results showed a significant increase in the number of bacterial genome copies from 1.20 × 107 to 3.35 × 107 copies/gram of dry soil, while the number of fungal genome copies significantly increased from 8.43 × 104 to 7.02 × 106 copies/gram of dry soil. Linear discriminant analysis effect size (LEfSe) showed that Actinobacteria was the primary indicator in raw materials while the p...Continue Reading

References

Feb 14, 2007·Journal of Dairy Science·A E BarbergJ K Reneau
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May 15, 2013·Waste Management·Akansha BhatiaAbsar Ahmed Kazmi
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Software Mentioned

UPARSE
LEfSe
BTRIM
R
QIIME
R Core
FLASH
Vegan
NMDS biplot

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