Comparison of Airborne Antibiotic Resistance Genes in the Chicken Farm during Winter and Summer

IF 4.3 2区环境科学与生态学 Q1 CONSTRUCTION & BUILDING TECHNOLOGY Indoor air Pub Date : 2024-06-07 DOI:10.1155/2024/1707863

Lu Song, Jinbiao Ma, Guanyu Jiang, Can Wang, Yuan Zhang, Hong Chen, Ru-jin Huang

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Abstract

Information regarding the abundance and dissemination of airborne antibiotic resistance genes (ARGs) in chicken farms and their correlations with airborne bacteria is limited. In this study, we investigated the bacterial communities and quantified the ARGs and mobile genetic elements (MGEs) in fecal and air samples in summer and winter. The concentrations of nearly all the airborne ARG and MGE subtypes in winter are three or four orders of magnitude higher than those in summer. Findings reveal that the indoor air of a chicken farm is a reservoir of ARGs. Based on the fecal samples, bacteria might be easily distributed in the air in the intensive chicken farm during winter. The mobility of target ARGs during winter might be stronger than during summer. These results may improve the understanding of airborne ARG transmission and its distribution characteristics and provide a reference for assessing the risks arising from chicken farms. More effort is needed to prevent and control the potential health risks induced by airborne ARGs.

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冬季和夏季养鸡场空气中抗生素耐药性基因的比较

有关养鸡场空气中抗生素耐药基因（ARGs）的丰度和传播及其与空气中细菌的相关性的信息十分有限。在本研究中，我们调查了夏季和冬季的细菌群落，并对粪便和空气样本中的 ARGs 和移动遗传因子（MGEs）进行了量化。冬季空气中几乎所有 ARG 和 MGE 亚型的浓度都比夏季高出三到四个数量级。研究结果表明，养鸡场的室内空气是 ARGs 的储存库。从排泄物样本来看，冬季集约化养鸡场的空气中很容易传播细菌。目标 ARGs 在冬季的流动性可能强于夏季。这些结果可加深人们对空气中 ARG 传播及其分布特征的了解，并为评估养鸡场带来的风险提供参考。要预防和控制空气传播的ARGs对健康造成的潜在风险，还需要做出更多努力。

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来源期刊

Indoor air 环境科学-工程：环境

CiteScore

10.80

自引率

10.30%

发文量

175

审稿时长

3 months

期刊介绍： The quality of the environment within buildings is a topic of major importance for public health. Indoor Air provides a location for reporting original research results in the broad area defined by the indoor environment of non-industrial buildings. An international journal with multidisciplinary content, Indoor Air publishes papers reflecting the broad categories of interest in this field: health effects; thermal comfort; monitoring and modelling; source characterization; ventilation and other environmental control techniques. The research results present the basic information to allow designers, building owners, and operators to provide a healthy and comfortable environment for building occupants, as well as giving medical practitioners information on how to deal with illnesses related to the indoor environment.