MacConkey agar (MC, non-selective) | MacConkey agar with cefotaxime (MC+, selective for presumptive ESBL/AmpC+ E. coli) | ||||||||
---|---|---|---|---|---|---|---|---|---|
Hatching system | Hatching system | ||||||||
Sample day | Sample type | Conventional hatching | On-farm hatching | Conventional hatching | On-farm hatching | ||||
No of isolates | No of farms (5) | No of isolates | No of farms (5) | No of isolates | No of farms (5) | No of isolates | No of farms (5) | ||
D0 | Sponge Swab | 0a | 1a | 1 | 0 | 0 | |||
Water (Source) | 1 | 1 | 0 | 0 | 0 | ||||
Water (Line End) | 0 | 0 | 0 | 0 | |||||
Feed | 0 | 0 | 0 | 0 | |||||
Clean Litter | 1 | 1 | 0 | 0 | 0 | ||||
D10 | Faeces | 25 | 5 | 25 | 5 | 0 | 10 | 2 | |
Water (Line End) | 5 | 3 | 1 | 1 | 0 | 0 | |||
Boot swab | 25 | 5 | 25 | 5 | 0 | 7 | 2 | ||
D21 | Faeces | 25 | 5 | 20 | 4 | 5 | 1 | 0 | |
Water (Line End) | 12 | 3 | 5 | 2 | 0 | 0 | |||
Boot Swab | 25 | 5 | 22 | 5 | 4 | 1 | 5 | 2 | |
Total | 119 | 99 | 9 | 22 |