Table 4. Laying performance of open house of animal welfare approved farms of laying hens
Farms | Feed supply (g/day) | Supply number | Laying performance | Floor eggs (%) |
First egg day (d) | Percent peak (%) | Hen-day (%) | Hen-housed eggs (70 wk) |
A | 110~120 | 2 | 120 | 96 | 85 | 315 | |
B | 110~120 | 2 | 130 | 90 | 70 | 252 | 15 |
C | 120~130 | 2 | 110 | 90 | 73 | 276 | 30~40 |
D | 120~130 | 2 | 110 | 88 | 65 | 247 | |
E | 120~130 | 2 | 130 | 92 | 75 | 270 | 20~40 |
F | 150 | 3 | 120 | 93 | 63 | 231 | 10~20 |
G | 150 | 2 | 125 | 88 | 63 | 228 | |
H | 170 | 2 | 125 | 92 | 73 | 265 | 0~1 |
I | 170 | 6 | 125 | 93 | 73 | 265 | 20~25 |
J | 170 | 2 | 125 | 93 | 80 | 292 | 7~8 |
K | 110~120 | 2 | 130 | 90 | 76 | 274 | |
L | 120~130 | 2 | 120 | 97 | 92 | 340 | |
| Means | | 123 | 91.8 | 74.0 | 271 | |