TABLE 4.

Number of cSTEC serotypes isolated from sheep fed pasture and a range of silage-grain-based diets

SerotypePreviously reportedVirulence factor profilecSampling 1 (pasture)Sampling 2 (silage-grain)Sampling 3 (silage-grain)Sampling 4 (pasture)
stx1stx2eaeehxA100a907753100907753
O5:HYes+++11211
++1
O5:HRNo+++11
++++1
O8:H2Yes+++1
O28:H21Yes+++1
O37:H10No+++1
O55:H20No++++1
O75:H8Yes+++124121111
++1
O88:H8Yes+++1
O91:HYes+++21039474232
O112ab:H2Yes++++1
O123:HYes+++12112
O128:H2Yes+++3121
O158:HRNo+++1
O172:HYes+++1
OR:H7Yes++1
Ont:H49Yes+++1
Ont:Hndb+++1211
Ont:Hnd++121
Ont:Hnd++++1
Ont:Hnd++1
Ont:Hnd+++1
  • a Percent silage.

  • b Ont:Hnd, isolates with Ont serogroup, H type not determined.

  • c +, gene detected by PCR.