Dynamics of antibiotic resistance in poultry farms via multivector analysis.

IF 3.8 1区 农林科学 Q1 AGRICULTURE, DAIRY & ANIMAL SCIENCE Poultry Science Pub Date : 2024-12-15 DOI:10.1016/j.psj.2024.104673
Dan Shen, Chunmei Li, Zhendong Guo
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引用次数: 0

Abstract

This study examines the distribution of microbial communities and antibiotic resistance genes (ARGs) across various vectors in poultry farm environments. The results show that airborne particulate matter (PM) and soil harbor the highest counts of microbial genes, exceeding those found in poultry visceral samples, which display lower microbial diversity and ARG levels. This highlights environmental vectors, particularly soil and PM, as major reservoirs for ARGs. Proteobacteria, predominantly present in feces and feed, are identified as key carriers of ARGs, with resistance mechanisms primarily involving efflux and target modification. Notably, Chlamydia spp. in visceral samples, despite lower overall abundance, show a high proportion of ARGs, raising concerns about ARG persistence in poultry microbiota. Furthermore, a significant correlation between different ARGs was detected, indicating the possibility of cooperative transmission processes. The findings underline the role of PM in ARG transmission due to its mobility and capacity to retain ARGs across distances. Additionally, therapeutic antibiotics in feed may contribute to ARG proliferation in animal microbiomes, suggesting a need for improved management practices to mitigate ARG spread in poultry farming environments.

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来源期刊
Poultry Science
Poultry Science 农林科学-奶制品与动物科学
CiteScore
7.60
自引率
15.90%
发文量
0
审稿时长
94 days
期刊介绍: First self-published in 1921, Poultry Science is an internationally renowned monthly journal, known as the authoritative source for a broad range of poultry information and high-caliber research. The journal plays a pivotal role in the dissemination of preeminent poultry-related knowledge across all disciplines. As of January 2020, Poultry Science will become an Open Access journal with no subscription charges, meaning authors who publish here can make their research immediately, permanently, and freely accessible worldwide while retaining copyright to their work. Papers submitted for publication after October 1, 2019 will be published as Open Access papers. An international journal, Poultry Science publishes original papers, research notes, symposium papers, and reviews of basic science as applied to poultry. This authoritative source of poultry information is consistently ranked by ISI Impact Factor as one of the top 10 agriculture, dairy and animal science journals to deliver high-caliber research. Currently it is the highest-ranked (by Impact Factor and Eigenfactor) journal dedicated to publishing poultry research. Subject areas include breeding, genetics, education, production, management, environment, health, behavior, welfare, immunology, molecular biology, metabolism, nutrition, physiology, reproduction, processing, and products.
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