Table 6.
Campylobacter spp. identification from environmental swabs of commercial hen housing systems.
| Campylobacter coli | Campylobacter jejuni | Total | |
|---|---|---|---|
| Sample type | no. isolates (% total1) | no. isolates (% total) | no. isolates (% total) |
| Aviary overall1 (n = 132) | 12 (5.48%) | 49 (22.37%) | 61 (27.85%) |
| Aviary drag swabs2,3 | 3 (1.37%) | 9 (4.11%) | 12 (5.48%) |
| Aviary nest box | 1 (0.46%) | 4 (1.83%) | 5 (2.28%) |
| Aviary system wire | 8 (3.65%) | 36 (16.44%) | 44 (20.09%) |
| Conventional overall (n = 60) | 16 (7.31%) | 15 (6.85%) | 31 (14.16%) |
| Conventional system wire | 16 (7.31%) | 15 (6.85%) | 31 (14.16%) |
| Enriched overall (n = 180) | 25 (11.42%) | 102 (46.58%) | 127 (57.99%) |
| Enriched nest box | 4 (1.83%) | 28 (12.79%) | 32 (14.61%) |
| Enriched scratch pad | 18 (8.22%) | 43 (19.63%) | 61 (27.85%) |
| Enriched system wire | 3 (1.37%) | 31 (14.16%) | 34 (15.53%) |
| Column total | 53 (24.20%) | 166 (75.80%) |
1Comparison of total Campylobacter spp. identified within each of the housing systems (P < 0.001).
2Percentage of total Campylobacter spp. identified from each of the environmental sample types (P < 0.01).
3Environmental swabs: n = 60 with exception of aviary drag swabs: n = 12.