Table 2.
Occurrence of Salmonella isolates, determined by selective culture and biochemical tests, in different samples collected from 12 layer flocks from 5 divisions of Bangladesh.
| Method/Type of Sample | Number of Isolates | Occurrence (with 95% Confidence Interval) |
p-Value (Pearson’s Chi-Squared Test) |
|---|---|---|---|
| Selective culture (Salmonella spp.) | |||
| Cloacal swab (n = 535) | 138 | 25.8 (22.1–29.7) | 0.003 |
| Visceral organ (n = 50) | 24 | 48 (33.7–62.6) | |
| Droppings (n = 180) | 52 | 29 (22.4–36.1) | |
| Total sample (N = 765) | 214 | 28 (24.8–31.3) | |
| Biochemical identification (Salmonellla Gallinarum) | |||
| Cloacal swab (n = 138) | 130 | 24.3 (20.7–28.2) | 0.02 |
| Visceral organ (n = 24) | 21 | 42 (28.2–56.8) | |
| Droppings (n = 52) | 48 | 26.7 (20.4–33.8) | |
| Total sample (N = 214) | 199 | 26 (22.9–29.3) | |