Abstract：
:Factory-scale chicken manure composting added with zeolite (F), superphosphate (G), or zeolite and ferrous sulfate (FL) simultaneously, were evaluate for their effects on the behaviors of antibiotic resistance genes (ARGs) and bacterial communities. After composting, ARGs in manure decreased by 67.3% in the control, whereas the reductions were 86.5%, 68.6% and 72.2% in F, G and FL, respectively. ARGs encoding ribosomal protection proteins (tetO, tetB(P), and tetM) were reduced to a greater extent than tetG, tetL, sul1 and sul2. Bacteria pathogens were also effectively removed by composting. Network analysis showed that Firmicutes were the important potential host bacteria for ARGs. The bacterial communities and environmental factors, as well as the intI gene, contributed significantly to the variation of ARGs. The ARGs and integrons were reduced more when zeolite was added than when superphosphate was added; thus, it may be useful for reducing the risks of ARGs in chicken manure.
journal_name
Bioresour Technoljournal_title
Bioresource technologyauthors
Peng S,Li H,Song D,Lin X,Wang Ydoi
10.1016/j.biortech.2018.04.107subject
Has Abstractpub_date
2018-09-01 00:00:00pages
393-401eissn
0960-8524issn
1873-2976pii
S0960-8524(18)30630-8journal_volume
263pub_type
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