PM from a broiler breeding production system: The characteristics and microbial community analysis.

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2019
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Ranked #65 of 145 articles by views in Environmental pollution (Barking, Essex : 1987)

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Abstract
Particulate matter (PM) released from the processes of livestock production has a negative impact on the health of animals and workers. Herein, the concentration, major chemical components, morphology and microbiological compositions of particulate matter 2.5 (PM, particles with aerodynamic diameter less than 2.5 μm) in a broiler breeding house were investigated. The results showed that the PM distribution in the chicken house was affected by the illumination, draught fans, chicken frame structure and activity of the chickens in the broiler breeding house. Component analysis showed that organic carbon (OC) accounted for the largest proportion, and followed by element carbon (EC), SO, NO, NH, Na, K and Ca. Ultrastructural observations revealed that the shape of PM had a round, rectangular, chain-like and irregular shape. The concentration of endotoxin was approximately 0.3 EU/m. Microbiological analysis showed that at the genus level, the pathogenic bacteria included Staphylococcus, Corynebacterium, Enterococcus, Parabacteroides, Escherichia and Megamonas. The abundant harmful fungi were Aspergillus, Scopulariopsis, Wallemia, and Fusarium. Through redundancy analysis (RDA) analysis, we determined that OC, EC, Na, K, and NH had strong correlations with Brachybacterium, Brevibacterium, Corynebacterium, Escherichia, Scopulariopsis and Microascus. SO was closely related to Scopulariopsis and Salinicoccus. Salinicoccus was also strongly correlated with NO. Our results indicated that feed, faeces, and outside soot are contributed to the increase in PM concentration in the chicken house, while the sources of the dominant bacterial and fungi might be feed, faeces, suspended outside soil and cereal crops.
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dai2019pmenvironmental Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Dai, Pengyuan;Shen, Dan;Tang, Qian;Huang, Kai;Li, Chunmei;
Journal Environmental pollution (Barking, Essex : 1987)
Year 2019
DOI
S0269-7491(19)32906-9
URL
Keywords
source analysis broiler breeding house microbial community structure and diversity particulate matter 2.5

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