From: Effect of dietary defatted diatom biomass on egg production and quality of laying hens
Item | Control | 7.5% Algae | 7.5% Algae | 15% Algae |
---|---|---|---|---|
-SBM | -SBM/Corn | -SBM/Corn | ||
Body weight, kg | ||||
Wk 0 | 1.53 ± 0.16 | 1.60 ± 0.19 | 1.58 ± 0.18 | 1.58 ± 0.20 |
Wk 8 | 1.47 ± 0.08 | 1.58 ± 0.08 | 1.53 ± 0.11 | 1.51 ± 0.10 |
Daily feed intake, g/hen | ||||
Wk 1-4 | 100.1 ± 4.9 | 96.9 ± 3.9 | 95.9 ± 6.7 | 92.6 ± 11.2 |
Wk 5-8 | 96.0 ± 8.3a | 96.0 ± 3.6a | 95.0 ± 6.9a | 85.5 ± 4.5b |
Wk 1-8 | 98.1 ± 6.0a | 96.4 ± 3.4ab | 95.4 ± 5.9ab | 89.1 ± 5.9b |
Egg production rate, %1 | ||||
Wk 1-4 | 86.7 ± 3.4 | 83.7 ± 6.3 | 84.7 ± 6.6 | 75.1 ± 16.4 |
Wk 5-8 | 81.3 ± 11.2a | 85.6 ± 5.0a | 83.9 ± 8.7a | 69.0 ± 6.6b |
Wk 1-8 | 84.0 ± 7.1a | 84.6 ± 4.7a | 84.3 ± 7.1a | 72.1 ± 10.1b |
Egg mass, g/hen/d | ||||
Wk 1-4 | 52.02 ± 2.02 | 49.79 ± 3.68 | 50.21 ± 3.23 | 45.63 ± 8.65 |
Wk 5-8 | 48.77 ± 5.02a | 49.73 ± 2.23a | 49.71 ± 4.34a | 41.43 ± 4.01b |
Wk 1-8 | 50.40 ± 3.87a | 49.74 ± 2.93a | 49.96 ± 3.36a | 43.53 ± 5.71b |
FCR2 | ||||
Wk 1-4 | 1.92 ± 0.03 | 1.95 ± 0.05 | 1.91 ± 0.06 | 2.02 ± 0.11 |
Wk 5-8 | 1.97 ± 0.08a | 1.93 ± 0.04a | 1.92 ± 0.05a | 2.06 ± 0.05b |
Wk 1-8 | 1.94 ± 0.06a | 1.94 ± 0.04a | 1.92 ± 0.05a | 2.05 ± 0.09b |