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Meta-Analysis
. 2023 Sep;47(3):1047-1066.
doi: 10.1007/s11259-023-10082-5. Epub 2023 Feb 24.

Knowledge and practice of antimicrobial usage and resistance among poultry farmers: A systematic review, meta-analysis, and meta-regression

Abdullah Al Sattar  1 , Nurun Nahar Chisty  1 , Nusrat Irin  1 , Md Helal Uddin  1 , F M Yasir Hasib  2 , Md Ahasanul Hoque  3
Affiliations
Meta-Analysis

Knowledge and practice of antimicrobial usage and resistance among poultry farmers: A systematic review, meta-analysis, and meta-regression

Abdullah Al Sattar et al. Vet Res Commun. 2023 Sep.

Abstract

A systematic review was conducted to summarize and synthesize the existing research on poultry farmers' knowledge, practices, and awareness regarding antimicrobial use (AMU) and antimicrobial resistance (AMR). It was undertaken by systematically searching databases, screening and characterizing relevant studies, extracting data, and evaluating the risk of bias. The outcomes were stratified into several subgroups, and pooled prevalence of each subgroup was calculated using a random-effect meta-analysis. Meta-regression was used for selected outcomes to further investigate the potential sources of heterogeneity across studies. Poultry farmers had knowledge and practice gaps on antimicrobial use. While most (65%; 95% CI: 50%-80%) used antimicrobials on poultry for therapeutic purposes, a portion used them to prevent disease (45%; 95% CI: 34%-55%) or boost growth (29%; 95% CI: 13%-46%) and productivity (20%; 95% CI: 6%-34%). 60% (95% CI: 50%-69%) of farmers approached veterinarians for antimicrobial advice, although many consulted drug sellers and fellow farmers. Insufficient antimicrobial residue knowledge (45%; 95% CI: 29%-62%), as well as inadequate awareness and faulty practice on withdrawal periods, were identified. Only 43% (95% CI: 34%-53%) were knowledgeable about AMR. Around half of farmers understood AMR's impacts on poultry, human health, and the environment. Meta-regression demonstrated that the source of heterogeneity for therapeutic antimicrobial use was the type of poultry farmers sampled and their educational qualifications; geographical region was significantly associated with antimicrobial usage based on farmers' experience; and the country's economic state was correlated with farmers' understanding of antimicrobial residue. This study recommends implementing legislation for judicious antimicrobial use, and farmer awareness campaigns to reinforce knowledge about prudent AMU and AMR.

Keywords: AMR; Antimicrobial use; Knowledge; Meta-analysis; Poultry farmer; Practice.

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