Table-3.

Incidence of E. coli was isolated from imported flocks as follow.

Flock type	No. of examined flock batches	No. of isolated E. coli from each batch	Incidence of E. coli/ each flock batches	Incidence of E. coli/total flock batches	Serogroups
Imported chicks	45	20	44.4% (20/45)	13.5% (20/148)	O91, O125, O145, O78, O44, O36, O169, O124, O15, O26, (5) untyped isolates
Imported ducklings	63	10	15.8% (10/63)	6.7% (10/148)	O91, O119, O145, O15, O169, (1) untyped isolate.
Imported turkey poults	40	8	20% (8/40)	5.4% (8/148)	O78, O28, O29, O168, O125, O158, O115
Total	148	38		25.6% (38/148)

E. coli=Escherichia coli