Table 1 Chicken flocks under study as distributed on production category and detected Salmonella enterica serovars.
Category (number of flocks) | No. of flocks | Serovar(s) detected at inclusion time | Serovar(s) detected at follow-up (number of flocks) |
|---|---|---|---|
Broilers (29) | 6 | 4.12:b:- | 4.12:b:- (2) |
1 | 41:z4,z24:- | None | |
1 | Brevis | None | |
1 | Derby | None | |
1 | Indiana Infantis | Typhimurium, DT1771, Indiana (1) | |
4 | Infantis | Infantis (3) | |
2 | Kentucky | None | |
1 | Senftenberg | None | |
1 | Typhimurium, DT110 | Typhimurium, DT110 (1) | |
1 | Typhimurium, DT12 | None | |
1 | Typhimurium, DT177, Indiana | Typhimurium, DT177 (1) | |
8 | Typhimurium, DT41 | Typhimurium, DT41 (5) | |
1 | Typhimurium, DT66 | Typhimurium, DT66 (1) | |
Layer poults (1) | 1 | Enteritidis, PT82 | None |
Deep litter egg | 1 | Enteritidis, PT RDNC3 | Enteritidis, PT21 (1) |
layers (6) | 3 | Enteritidis, PT6 | Enteritidis, PT RDNC, rough (2) |
1 | Enteritidis, PT8 | None | |
1 | Serological confirmation only | Enteritidis, PT2 (1) | |
Organic egg layers | 3 | Enteritidis, PT6 | Enteritidis, PT6 (1) |
(4) | 1 | Enteritidis, PT8 | Enteritidis, PT8 (1) |
Free range egg | |||
layers (1) | 1 | Serological confirmation only | Enteritidis, PT8 (1) |