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- W4245739354 abstract "Abstract Background: The prevalence of antibiotic resistance genes (ARGs) in animal manure poses threats to the environmental safety. Organic fertilizers fermented by livestock and poultry manure are directly applied to farmland, which would cause the potential outbreak of bacterial resistance in agricultural environment. This study investigated the composition of ARGs in different animal manure and their derived organic fertilizers. Results: Results showed that the abundance of several ARGs, such as sul 2, Tet B-01, Tet G-01 and Tet M-01 in organic fertilizer samples was 12%~96% lower than in animal manure. However, there was an increasing of Tet K and erm C abundance from animal manure to the organic fertilizers. No correlation between ARGs and environmental factors such as pH, TN, antibiotics was observed by Redundancy analysis (RDA). Procrustes analysis revealed the significant correlation between bacterial community structures and the ARGs abundance (r=0.799, p<0.01). Non-metric multidimensional scaling (NMDS) analysis suggested that microorganisms in organic fertilizer may be derived from animal manure. Additional, pathogenic bacteria (especially Actinomadura ) would proliferate rather than decrease from manure to organic fertilizer. Conclusion: Overall, this research suggests that the composting treatment of manure could effectively reduce these ARGs and pathogens,even cause partial ARGs and pathogens proliferation. It also shows that the microorganism might significantly influence ARGs profiles in composting." @default.
- W4245739354 created "2022-05-12" @default.
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- W4245739354 date "2020-05-21" @default.
- W4245739354 modified "2023-09-27" @default.
- W4245739354 title "Antibiotic Resistance Genes in Different Animal Manure and their Derived Organic Fertilizer" @default.
- W4245739354 doi "https://doi.org/10.21203/rs.3.rs-29643/v1" @default.
- W4245739354 hasPublicationYear "2020" @default.
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