Table 5.
Experiment 2 Enzyme activities (per min/ g tissue) and organ protein content (mg/ g tissue) of 19 wk old Hy-Line Brown laying hens fed a commercial diet (C) or the commercial diet plus 0.8% insoluble fiber† (IF) for 13 wk (Means, pooled SEM, n = 8).
| Time fed diet (Age) wk | 3 (22) | 6 (25) | 9 (28) | 12 (31) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Treatments | C | IF | SEM | C | IF | SEM | C | IF | SEM | C | IF | SEM |
| Pepsin | 80.0 | 89.1* | 2.18 | 87.0 | 89.2 | 2.33 | 90.0 | 95.5* | 2.66 | 87.9 | 93.1 | 3.90 |
| GP-pancreas | 116.4 | 139.0* | 4.63 | 93.8 | 107.8* | 4.17 | 59.2 | 81.6* | 5.77 | 97.0 | 122.2* | 4.14 |
| Trypsin | 229.2 | 217.3 | 6.98 | 266.9 | 278.7 | 12.74 | 210.8 | 237.8* | 8.64 | 208.8 | 220.0 | 9.94 |
| Chymotrypsin | 5.2 | 5.2 | 0.13 | 5.1 | 5.3 | 0.11 | 5.8 | 6.1* | 0.13 | 5.0 | 5.5* | 0.18 |
| Protein-Proventriculus | 171.7 | 165.8 | 4.04 | 175.0 | 179.3 | 7.83 | 179.1 | 182.6 | 8.11 | 174.6 | 178.1 | 7.51 |
| Protein-Pancreas | 352.0 | 399.5* | 4.78 | 468.9 | 493.8* | 9.72 | 423.5 | 445.2* | 10.09 | 397.4 | 412.4 | 7.23 |
†IF – insoluble fiber as Arbocel RC Fine, JRS Co. Inc., Rosenberg, Germany.
For units of activity and abbreviations see Table 4.