Table 4.
Total antioxidant capacity (TAC) along the intestinal mucosa of 42-d-old broilers mmol TE per gram mucosa tissue.
| Item | Treatments1 |
SEM |
P-values2 |
|||||
|---|---|---|---|---|---|---|---|---|
| CON | PP-750 | PP-1000 | PP-2000 | PANOVA | Plin | Pquad | ||
| Duodenum | 37.76a | 47.86ab | 54.94b | 50.45ab | 4.981 | 0.011 | 0.007 | 0.046 |
| Jejunum | 52.67 | 52.99 | 55.75 | 48.35 | 7.781 | 0.819 | 0.681 | 0.488 |
| Ileum | 43.19 | 46.45 | 44.47 | 52.23 | 7.092 | 0.598 | 0.270 | 0.657 |
| Ceca | 29.41a | 39.98ab | 44.58b | 35.45ab | 5.569 | 0.050 | 0.193 | 0.014 |
TE = Trolox equivalents.
1
CON, basal diet with no phytogenic premix (PP) addition; PP-750, basal diet containing PP at 750 mg/kg diet; PP-1000, basal diet containing PP at 1,000 mg/kg diet; PP-2000, basal diet containing PP at 2,000 mg/kg diet. Data represent treatment means from n = 10 broilers analyzed per treatment.
2
The statistical analysis tests the differences between treatments (ANOVA) and the linear (lin) and quadratic (quad) effect of PP inclusion levels (polynomial contrasts). Means within the same row with different superscripts (a, b) differ at P < 0.05.