Table 1.
Effects of two housing systems on the production performance of hens from 32 to 40 weeks of age.
| Housing System 1 | Body Weight, g | Laying Rate, % | Mortality, % | Egg Weight, g | Eggshell Strength, kg/cm2 | Haugh Unit |
|---|---|---|---|---|---|---|
| NRS | 1415.04 ± 143.84 | 81.69 ± 8.44 a | 0.04 ± 0.01 | 46.90 ± 1.46 | 4.43 ± 1.01 | 78.70 ± 9.01 |
| LRS | 1420.76 ± 132.37 | 71.74 ± 8.81 b | 0.03 ± 0.01 | 46.15 ± 1.58 | 4.08 ± 1.13 | 80.07 ± 9.46 |
1 NRS, plastic-net housing system; LRS, floor-litter housing system; a,b. Means with different superscripts within each column are significantly different (p < 0.05).