Dairy animals are reservoirs of antimicrobial-resistant that are frequently resistant to tetracycline, aminoglycoside, β-lactam, sulfonamide, and macrolide-lincosamide-streptogramin B antibiotics. However, resistance to other classes of antimicrobials is less frequently observed, and resistance to fosfomycin is rarely observed in . In this study, we describe the genomic characteristics of encoding that have been recovered from bovine sources in the United States. Most isolates only encoded the gene, whereas 37% encoded at least one other resistance gene, and 25% were genotypically multidrug-resistant. Most (112 isolates, 93%) belonged to phylogenetic group B1 and were assigned to 19 sequence types (STs), the most frequently identified being ST1727, ST2307, and ST3234. Results of this study indicate that -encoding from bovine sources is very rare in the United States with isolates demonstrating a high level of similarity across a broad geographic region.
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