Table 3.
Experiment 2 Live body weight (g) and relative weights (g/100 g live-weight) of internal organs (g) 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 |
Body weight‡ | 1773.9 | 1743.9 | 53.23 | 1793.1 | 1822.1 | 66.78 | 1888.3 | 1882.7 | 66.83 | 1902.1 | 1919.4 | 54.95 |
Liver | 1.91 | 2.21* | 0.11 | 2.10 | 2.34* | 0.08 | 2.23 | 2.40* | 0.07 | 2.10 | 2.27 | 0.15 |
Gizzard | 1.19 | 1.25 | 0.05 | 1.18 | 1.21 | 0.06 | 1.14 | 1.23 | 0.08 | 1.10 | 1.32* | 0.05 |
Pancreas | 0.17 | 0.17 | 0.01 | 0.18 | 0.18 | 0.01 | 0.18 | 0.18 | 0.01 | 0.19 | 0.21 | 0.01 |
Proventriculus | 0.25 | 0.27 | 0.02 | 0.27 | 0.29 | 0.02 | 0.28 | 0.30 | 0.02 | 0.29 | 0.31 | 0.02 |
†IF – insoluble fiber as Arbocel RC Fine, JRS Co. Inc., Rosenberg, Germany.
‡Normal weight ranges for Hy-Line Brown layer-strain, 22 wk 1,720–1,820 g; 25 wk 1,790 – 1,910 g; 28 wk 1,830 – 1,950 g; 31 wk 1,840 – 1,960 g (Hy-Line International, 2014).
*Means within the same row at same time point differ (P < 0.05).