(1) Background: there has been a growing concern about pet-spread bacterial zoonosis in recent years. This study aimed to investigate the trend in drug-resistance of canine isolates in northeast China between 2012-2021 and the differences in drug-resistance of of different origins in 2021. (2) Methods: were isolated from feces or anal swab samples from dogs and cats, and their antibiotic susceptibility profiles and phylogenetic grouping were identified. PCR was applied on the extended spectrum β-lactamase (ESBL) for antibiotic resistance genes. (3) Results: five hundred and fifty-four isolates were detected in 869 samples (63.75%). The multidrug resistance (MDR) rates of in pet dogs showed a decreasing trend, but working dogs showed the opposite trend. Resistance genes and were dominant among the ESBL producers ( = 219). The consistency between the resistance phenotypes and genes was high except for fluoroquinolone-resistant ESBL . All ESBL -carrying were isolated from working dogs, and one of the strains carried and . Phylogroup B2 was the dominant group in pet cats, and more than half of the isolates from companion cats were ESBL . (4) Conclusions: the measures taken to reduce resistance in China were beginning to bear fruit. Companion cats may be more susceptible to colonization by ESBL . The problem of resistant bacteria in working dogs and pet cats warrants concern.
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| http://dx.doi.org/10.3390/antibiotics11111506 | DOI Listing |
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