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Escherichia coli ETEC, EPEC, NTEC and STEC/EHEC pathotypes are often isolated from bovine feces. The objective of this study was to detect 21 E. coli virulence genes in feces from 252 dairy calves in Uruguay (149 with neonatal diarrhea - NCD - and 103 asymptomatic). Genes iucD, f17A, afa8E, papC, clpG and f17G(II) were the most prevalent (81.3%; 48.4%; 37.3%; 35.7%; 34.1%; 31.3%, respectively). Genes eae, stx1and stx2 were poorly represented; 13/252 animals harbored one or a combination ofdoi:10.1016/j.ram.2020.04.004 pmid:32553726 fatcat:z7wgtktjlzhmrk4uh2drhutrg4