Table 4.
Effect of dietary probiotic (PROB) or probiotic/prebiotic/essential oil (PPEO) supplementation on intestinal lesion scores of broiler chickens under a naturally occurring subclinical necrotic enteritis challenge1.
| Treatments2 | Small intestine section | ||
|---|---|---|---|
| Duodenum | Jejunum | Ileum | |
| NC | 1.20a | 0.58 | 0.00 |
| PC | 1.05ab | 0.38 | 0.02 |
| PROB | 0.81bc | 0.27 | 0.00 |
| PPEO | 0.64c | 0.41 | 0.00 |
| SEM3 | 0.11 | 0.09 | 0.01 |
| P-value | 0.013 | 0.185 | 0.407 |
In each column, means with the same letter are not significantly different (P <0.05).
Data represent the mean value of 8 replicate pens of 3 birds/pen.
Treatments include: NC (negative control): corn-soybean meal basal diet; PC (positive control): NC + 20 g virginiamycin (453 g Stafac®20)/ton diet; PROB: NC + B. licheniformis spores at the level of 227 g/ton diet; PPEO: NC + 453 g/ton of a supplement containing B. licheniformis spores, mannan-oligosaccharides, β-glucans (1,3 and 1,6), capsaicin and curcuma.
SEM, Standard error of means.