Abstract
Fungal aerosols in broiler houses are important factors that can harm the health of human beings and broiler. To determine the composite characteristics and changes in fungal aerosols in broiler houses during different broiler growth stages in summer. We analyzed the species, concentration and particle diameter distribution characteristics of the aerosols in poultry houses using an Andersen sampler and internal transcribed spacer 1 (ITS1) high-throughput sequencing technology. The concentration of fungal aerosols in the poultry houses increased as the ages of the broiler increased, which was also accompanied by gradual increases in the variety and diversity indices of the fungal communities in the air of the poultry houses. During the entire broiler growth period, the dominant genera in the fungal aerosols in the poultry houses included Trichosporon, Candida, Aspergillus, Cladosporium and Alternaria. These fungi may be harmful to the health of poultry and human beings, so permanent monitoring of microbial air quality in chicken houses is necessary.
Highlights
Microbial aerosols are suspensions of single-celled microorganisms and atmospheric particulate matter (PM) in the air, which play important roles in the transmission of pathogens [1]
Microbial aerosols are an important route of disease transmission, such as the avian influenza virus, and pathogen transmission may lead to outbreaks and epidemics that may cause widespread poultry morbidity or death [5]
Many studies have reported on the air pollution inside and outside the chicken house caused by fungi and particles
Summary
Microbial aerosols are suspensions of single-celled microorganisms and atmospheric particulate matter (PM) in the air, which play important roles in the transmission of pathogens [1]. Along with the development of large-scale breeding industries, closed cages have been used in more broiler houses in China. This high density and poorly ventilated condition leads to an increased concentration of microbial aerosols, bringing potential risks to the health of animals and human beings [4]. Microbial aerosols are an important route of disease transmission, such as the avian influenza virus, and pathogen transmission may lead to outbreaks and epidemics that may cause widespread poultry morbidity or death [5]. Researchers have paid attention to the air pollution status of poultry
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