Table 3.
Parameters | Treatments | Sex | ||||||||
---|---|---|---|---|---|---|---|---|---|---|
0GC | 0.75GC | 1.5GC | 2.25GC | SEM | p value | Male | Female | SEM | p value | |
Slaughter wt (g) | 1615 | 1640 | 1588 | 1545 | 46.5 | 0.569 | 1643 | 1551 | 32.9 | 0.053 |
Dressed wt (g) | 1481 | 1504 | 1460 | 1413 | 43.4 | 0.542 | 1506 | 1424 | 30.8 | 0.068 |
Dressing % | 91.8 | 91.7 | 92.0 | 91.4 | 0.31 | 0.584 | 91.6 | 91.8 | 0.22 | 0.501 |
Eviscerated wt (g) | 1203 | 1233 | 1178 | 1141 | 35.0 | 0.328 | 1212 | 1165 | 24.8 | 0.197 |
Eviscerated % | 74.5 | 75.2 | 74.3 | 73.9 | 0.52 | 0.444 | 73.8b | 75.1a | 0.37 | 0.015 |
Carcass % | 69.6 | 70.5 | 69.6 | 68.9 | 0.55 | 0.295 | 69.0b | 70.3a | 0.39 | 0.031 |
Breast % | 25.6ab | 27.0a | 26.3a | 24.2b | 0.67 | 0.032 | 25.3 | 26.3 | 0.47 | 0.149 |
Thigh % | 10.3ab | 10.7a | 10.1ab | 9.93b | 0.17 | 0.027 | 10.2 | 10.3 | 0.12 | 0.380 |
Drumstick % | 8.28b | 8.87a | 9.07a | 8.93a | 0.15 | 0.004 | 8.84 | 8.74 | 0.11 | 0.502 |
T + D % | 18.5b | 19.5a | 19.2ab | 18.9ab | 0.26 | 0.062 | 19.0 | 19.1 | 0.19 | 0.868 |
Gizzard % | 2.12 | 2.07 | 1.95 | 2.21 | 0.10 | 0.359 | 2.06 | 2.11 | 0.07 | 0.656 |
Liver % | 2.17 | 1.97 | 2.08 | 2.09 | 0.08 | 0.402 | 2.09 | 2.07 | 0.06 | 0.886 |
Heart % | 0.64 | 0.61 | 0.62 | 0.66 | 0.04 | 0.790 | 0.62 | 0.65 | 0.03 | 0.361 |
Kidney % | 0.65 | 0.68 | 0.64 | 0.64 | 0.04 | 0.933 | 0.60b | 0.71a | 0.03 | 0.010 |
AF % | 2.12b | 2.72a | 2.00b | 2.25ab | 0.16 | 0.021 | 2.22 | 2.33 | 0.12 | 0.750 |
SEM standard error of the mean, GC garden cress, 0GC ration containing 0 % GC, 0.75GC 0.75 % GC, 1.5GC 1.5 % GC, 2.25GC 2.25 % GC, AF abdominal fat; T + D thigh + drumstick, wt weight
abMeans in a row and under treatment or sex with different superscripts differ (p < 0.05)