Table 1 Prevalence of virulence genes in E. coli pathotypes isolated from diarrheic calves

Non detected

211 (33.49%)

-

ETEC

179 (28.41%) A, B*

lt, F5: 179 (100%) A, B

lt, st, F5: 8(4.46%) a

F5, F41: 72 (40.22%) b

F5, lt: 179 (100%)

F41, lt: 67 (37.43%)

F41, st, lt: 4 (2.23%)

EHEC

32 (5.07%) a, c

stx1, eae, ehly: 32 (100%)

AEEC

186 (29.52%) C, D

stx1: 179 (96.23%) A

stx2: 106 (56.98%) a

eae: 95 (51.07%) a

stx1, ea e: 91 (48.92%)

stx2, eae: 61 (32.79%)

stx1, stx2, eae: 34 (18.27%)

NTEC

22 (3.49%) b, d

cnf1, hlyA: 14 (63.63%)

cnf2, hlyA: 6 (27.27%)

cnf1, cnf2, hlyA: 4 (18.18%)

cnf1, cnf2, hlyA, cdtlll: 4 (18.18%)

cnf1, hlyA, f17c: 2 (9.09%)

cnf2, hlyA, f17c: 2 (9.09%)

cnf2, hlyA, cdtlll: 20 (90.90%)

cnf2, hlyA, cdtlll, f17c: 5 (22.72%)

Total

630 (76.45%)