Table 6.
Housing Conditions |
UM | NV | MV | Estimate | p-Value | ||
---|---|---|---|---|---|---|---|
Mean | SD | Mean | SD | ||||
T1 (40 kg) | |||||||
Pig per pen | pigs | 30 | 0 | 32 | 1 | 1 | <0.0001 |
Space allowance | m2/pig | 0.9 | 0.0 | 0.8 | 0.0 | 0.9 | <0.0001 |
Temperature | °C | 21.7 | 0.6 | 20.6 | 1.8 | 1.0 | 0.1744 |
Light | lux | 138.7 | 60.5 | 101.9 | 81.6 | 32.7 | 0.3900 |
CO2 | ppm | 941.7 | 117.9 | - | - | - | - |
T2 (100 kg) | |||||||
Pig per pen | pigs | 27 | 0 | 29 | 2 | 1 | 0.0003 |
Space allowance | m2/pig | 1.0 | 0.0 | 0.9 | 0.1 | 0.9 | <0.0001 |
Temperature | °C | - | - | 20.7 | 0.8 | - | - |
Light | lux | 121.9 | 58.0 | 133.0 | 76.5 | −11.1 | 0.7154 |
CO2 | ppm | 898.8 | 287.7 | 1310.8 | 141.4 | −402.0 | <0.0001 |
T3 (160 kg) | |||||||
Pig per pen | pigs | 26 | 1 | 25 | 1 | 1 | 0.0168 |
Space allowance | m2/pig | 1.0 | 0.0 | 1.0 | 0.0 | 1.0 | 0.1334 |
Temperature | °C | 30.2 | 0.4 | 29.8 | 0.6 | 0.4 | 0.0422 |
Light | lux | 179.5 | 123.5 | 107.3 | 30.1 | 1.0 | 0.0375 |
CO2 | ppm | 834.2 | 61.7 | 550.0 | 97.9 | 284.0 | <0.0001 |
UM = unit of measurement; NV = naturally ventilated; MV = Mechanically ventilated.