Table 2. Frequent distribution of enteropathogenic bacteria in commercial duck pens.
| Bacterial findings | Frequent distribution of enteropathogenic bacteria No. (%) | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Total | E. coli spp. | Salmonella spp. | P. mirabilis | P. aeruginosa | |||||
| Examined sample | Examined No. | PositiveNo. (%) | E. coli poly III O:25 K: II | E. coli poly III O: 142 K: 86 | Un-typeable | ||||
| I-Duck fecal droppings | 35 | 35 (100) | 7 (35) | 5 (25) | 8 (40) | 3 (8.57) | 2 (5.71) | 10 (28.57) | |
| II-Duck’s environment | |||||||||
| Air | 30 | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) | |
| Tap water supply | 30 | 10 (37.3) | 0 (0.0) | 0(0.0) | 5 (50) | 0 (0.0) | 2 (20.0) | 3 (30.0) | |
| Drinkers | 40 | 36 (90.0) | 3 (8.33) | 2 (5.55) | 16 (44.44) | 2 (5.55) | 6(16.66) | 7 (19.44) | |
| Feeders | 40 | 33 (82.5) | 1 (3.03) | 2 (6.06) | 15 (45.45) | 3 (9.09) | 4 (12.12) | 8 (24.24) | |
| Ducks’ litter | 30 | 25 (83.3) | 2 (8) | 4 (16) | 10 (40) | 2 (8.0) | 6 (24.0) | 1 (4.0) | |
| Ducks’ feed | 30 | 13 (43.3) | 1(7.69) | 1 (7.69) | 4 (30.76) | 0 (0.0) | 4 (30.76) | 3 (23.1) | |
| III-Workers hand swabs | 36 | 18 (50) | 2 (11.1) | 1 (5.5) | 7 (38.88) | 1 (5.5) | 2 (11.1) | 5 (27.7) | |
| Total | 271 | 170 (62.73) | 16 (9.41) | 15 (8.82) | 65 (38.23) | 11 (6.47) | 26 (15.29) | 37 (21.76) | |
The chi-square association between frequency distribution of enteropathogenic bacteria varies significantly at χ2 = 16.84 (p ≤ 0.05).