From: Recovery of Salmonella isolated from eggs and the commercial layer farms
Origins | Na | Salmonella serotypes | Prevalenceb | |||||
---|---|---|---|---|---|---|---|---|
S. Derby | S. Braenderup | S. Enteritidis | S. Jerusalem | S. Bovismorbificans | Un-identified | |||
External environment of the henhouse | ||||||||
 Disinfection system | 5 | 1 |  |  |  |  |  | 20.0% (1/5) |
 Soil | 15 | 5 |  | 3 | 2 |  |  | 66.7% (10/15) |
 Feces | 13 | 11 |  |  | 1 |  |  | 92.3% (12/13) |
 Dust | 6 | 5 |  |  |  |  |  | 83.3% (5/6) |
 Gutter | 3 | 1 |  |  |  |  | 1 | 66.7% (2/3) |
Internal environment of the henhouse | ||||||||
 Wet curtain cooling system | 3 | 2 |  |  |  | 1 |  | 100% (3/3) |
 Cage | 6 | 5 |  |  |  |  |  | 83.3% (5/6) |
 Egg nest | 6 | 6 |  |  |  |  |  | 100% (6/6) |
Total | 57 | 36 | Â | 3 | 3 | 1 | 1 | 77.2% (44/57) |