Item | Treatment1 | SEM | P-value | ||||
---|---|---|---|---|---|---|---|
CON | DON | DL | |||||
21-day-old broilers | Duodenum | Villus height, μm | 670.77b | 638.22c | 710.33a | 7.21 | < 0.001 |
Crypt depth, μm | 82.61b | 94.5a | 89.33ab | 1.67 | 0.012 | ||
Villus height: Crypt depth | 8.23a | 6.84b | 8.12a | 0.17 | 0.001 | ||
Jejunum | Villus height, μm | 478.66 | 484.27 | 448.33 | 9.38 | 0.247 | |
Crypt depth, μm | 74.94 | 76.88 | 74.44 | 1.24 | 0.706 | ||
Villus height: Crypt depth | 6.4 | 6.49 | 6.07 | 0.16 | 0.549 | ||
Ileum | Villus height, μm | 328.44 | 342.27 | 312.08 | 5.50 | 0.102 | |
Crypt depth, μm | 65.72 | 66.00 | 65.75 | 0.91 | 0.99 | ||
Villus height: Crypt depth | 5.04 | 5.24 | 4.77 | 0.11 | 0.261 | ||
Liver, g/kg | 23.50 | 24.87 | 23.87 | 0.30 | 0.166 | ||
Pancreas, g/kg | 3.98 | 4.04 | 3.75 | 0.14 | 0.726 | ||
Thymus, g/kg | 1.88 | 1.91 | 2.28 | 0.11 | 0.284 | ||
Spleen, g/kg | 0.95 | 1.30 | 0.84 | 0.11 | 0.207 | ||
Bursa of Fabricius, g/kg | 1.93ab | 1.52b | 2.56a | 0.15 | 0.016 | ||
42-day-old broilers | Duodenum | Villus height, μm | 779.83a | 693.00c | 740.77b | 9.11 | < 0.001 |
Crypt depth, μm | 115.22 | 111.78 | 112.83 | 1.77 | 0.726 | ||
Villus height: Crypt depth | 6.87 | 6.31 | 6.61 | 0.13 | 0.223 | ||
Jejunum | Villus height, μm | 645.05a | 586.77b | 655.83a | 10.41 | 0.012 | |
Crypt depth, μm | 95.55 | 98.44 | 100.05 | 1.49 | 0.468 | ||
Villus height: Crypt depth | 6.82a | 5.97b | 6.59a | 0.13 | 0.020 | ||
Ileum | Villus height, μm | 416.22 | 400.00 | 433.55 | 6.71 | 0.124 | |
Crypt depth, μm | 62.38 | 64.72 | 63.89 | 1.04 | 0.639 | ||
Villus height: Crypt depth | 6.75 | 6.24 | 6.86 | 0.14 | 0.186 | ||
Liver, g/kg | 23.97 | 24.33 | 22.41 | 1.20 | 0.806 | ||
Pancreas, g/kg | 2.21 | 2.24 | 2.25 | 0.06 | 0.970 | ||
Thymus, g/kg | 2.02 | 2.44 | 2.10 | 0.15 | 0.493 | ||
Spleen, g/kg | 2.09 | 1.94 | 1.68 | 0.11 | 0.389 | ||
Bursa of Fabricius, g/kg | 1.16 | 1.03 | 1.37 | 0.11 | 0.547 |