Fig. 1

Dendrogram from cgMLST data of ESBL-/pAmpC- producing Escherichia coli from dogs and cats. Dataset consisting of 2513 loci showing 92 isolates of ESBL-/pAmpC- producing Escherichia coli from 20 cats and 72 dogs confirmed at the Swedish Veterinary Agency 2017–2021. Sequence type (ST, Achtman), β-lactamase gene, year of isolation, host species, host sex, sample origin, and phenotypic resistance towards antibiotic substances indicated as minimum inhibitory concentration (MIC) above (full circles) or equal to/below (empty circles) EUCAST epidemiological breakpoints. Repeated samples from the same individual were not included