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This study aims to assess the prevalence of multidrug-resistant bacteria and antibiotic resistance genes in pig farming.

June 26, 2026One Health AdvancesOpen Access

Assessment of multidrug-resistant bacteria and antibiotic resistance genes in pig production system

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Randomized trial investigates multidrug-resistant bacteria in pig systems, highlighting urgent need for antibiotic stewardship.

This study aims to assess the prevalence of multidrug-resistant bacteria and antibiotic resistance genes in pig farming.
Samples collected from slurry, animal skin, feed, soil, and meat across three batches.
Bacteria identified using selective media and 16S rRNA gene sequencing.
Antibiotic resistance determined by disk diffusion and multiplex PCR for ARGs.
Tetracycline resistance observed in 56.3% of Enterobacteriaceae, 77.8% in Staphylococcus, and 66.7% in Enterococcus.
76.6% of isolates had Multiple Antibiotic Resistance Index values above 0.2, indicating high selective pressure.
Common resistance genes included bla TEM variants and tet (A), with Staphylococcus showing high resistance rates to clindamycin and erythromycin.

Salamandane et al. (2026) studied this question.

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