Table 5.
Response variable | Slaughterhouse parameter | Coefficient (r) | SEM | t value | Pr > |t| | 95% confidence limits | |
---|---|---|---|---|---|---|---|
Welfare indicators measured by transect walks | |||||||
Immobile | Rejected owing to machine or technical issues | 0.010 | 0.005 | 2.14 | 0.046 | 0.000 | 0.019 |
Lame | Rejected owing to leg or joint issues | 1.016 | 0.427 | 2.38 | 0.028 | 0.120 | 1.912 |
Head wounds | Small | 1.974 | 0.641 | 3.08 | 0.007 | 0.627 | 3.321 |
Wing wounds | Age | −0.036 | 0.016 | −2.17 | 0.045 | −0.070 | −0.001 |
Average carcass weight | 0.000 | 0.000 | 2.16 | 0.045 | 0.000 | 0.001 | |
Tail wounds | No model selected | ||||||
Small | |||||||
Featherless | Rejected owing to heart issues | 2.131 | 0.805 | 2.65 | 0.017 | 0.433 | 3.829 |
Airsacculitis | 0.419 | 0.131 | 3.19 | 0.005 | 0.142 | 0.697 | |
Dirty | Total condemnations | −0.290 | 0.109 | −2.65 | 0.018 | −0.522 | −0.058 |
Rejected owing to heart issues | −1.415 | 0.540 | −2.62 | 0.019 | −2.560 | −0.270 | |
Airsacculitis | 0.568 | 0.138 | 4.11 | 0.001 | 0.275 | 0.861 | |
Sick | No model selected | ||||||
Terminal ill | |||||||
Dead | |||||||
Mortality, % | Average carcass weight | 0.002 | 0.001 | 2.05 | 0.056 | 0.000 | 0.004 |
Rejected owing to liver issues | 19.932 | 5.142 | 3.88 | 0.001 | 9.082 | 30.782 |