Speaker
Description
This study aimed to address the knowledge gap on Acinetobacter calcoaceticus–baumannii (ACB) and non-ACB complex species in farm animals by: -investigating the occurrence of multidrug-resistant (MDR) strains in animals, operators, and the farm environment; -assessing their potential role in transmission within a One Health framework.
From cattle, horses, sheep, goats, pigs, poultry, human hands, and farm environment, samples were collected. Isolates were identified via culture and MALDI-ToF MS. Antibiotic susceptibility was assessed using E-test and Kirby-Bauer methods.
From 840 samples, 128 Acinetobacter strains (ACB: 10.2%, 13/128; and 18 different non-ACB complex: 89.8%, 115/128) were isolated in farm animals (83.6%), humans (13.3%), and environment (3.1%). ACB strains were more frequent in diseased animals (P=0.0028), particularly cattle (P=0.0002), where a high proportion of A. baumannii (81.8%, 9/11) was significantly identified. Both ACB (92.3%) and non-ACB strains (46.1%, P=0.0016) showed MDR profile that was significantly associated to carbapenem resistance (3.9%; P=0.029, Cramer's V=0.235, Lambda=0.095±SE 0.074). Non-ACB strains showed polymyxin (1.7%) and aminoglycoside resistance (11.3%). Isolates from animals, humans, and the environment shared identical MDR profiles.
Farm animals and their environments may act as reservoirs for MDR Acinetobacter spp., supporting the need for further research on transmission dynamics in a One Health context.
Keywords
Acinetobacter calcoaceticus–baumannii (ACB) complex, Acinetobacter spp. non-ACB complex, farm animals, antimicrobial resistance, One Health
| Registration ID | ECVM25-153 |
|---|---|
| Professional Status of the submitter, who is also the speaker | Graduate Student |
Authors
External references
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