Table 6.
Item | Live | Hot Carcass | Hot Fat Pad | Chilled Carcass | |||
---|---|---|---|---|---|---|---|
Weight (g) | Weight (g) | Yield (%) | Weight (g) | Yield (%) | Weight (g) | Yield (%) | |
Interaction means | |||||||
Early—CTL | 3152 | 2389 | 75.74 | 46.8 | 1.49 | 2432 | 77.14 |
Early—FAW | 3200 | 2414 | 75.39 | 48.0 | 1.50 | 2457 | 76.75 |
Pre-peak—CTL | 3216 | 2424 | 75.34 | 49.1 | 1.53 | 2471 | 76.83 |
Pre-peak—FAW | 3242 | 2442 | 75.29 | 46.4 | 1.42 | 2484 | 76.61 |
Post-peak—CTL | 3296 | 2478 | 75.17 | 50.8 | 1.55 | 2525 | 76.58 |
Post-peak—FAW | 3263 | 2456 | 75.24 | 50.8 | 1.52 | 2503 | 76.70 |
Late—CTL | 3250 | 2433 | 74.87 | 50.8 | 1.57 | 2480 | 76.28 |
Late—FAW | 3192 | 2390 | 74.86 | 52.2 | 1.64 | 2431 | 76.14 |
SEM | 39.2 | 32.6 | 0.346 | 1.88 | 0.058 | 33.2 | 0.362 |
Main effect of hatch period | |||||||
Early | 3176 b | 2401 | 75.56 | 47.4 | 1.49 | 2445 | 76.95 |
Pre-peak | 3229 a,b | 2433 | 75.32 | 47.8 | 1.48 | 2478 | 76.72 |
Post-peak | 3280 a | 2467 | 75.20 | 50.8 | 1.54 | 2514 | 76.64 |
Late | 3221 a,b | 2411 | 74.87 | 51.5 | 1.60 | 2455 | 76.21 |
SEM | 26.1 | 21.7 | 0.231 | 1.25 | 0.039 | 22.1 | 0.242 |
Main effect of basket | |||||||
CTL | 3229 | 2431 | 75.28 | 49.4 | 1.53 | 2477 | 76.71 |
FAW | 3224 | 2425 | 75.20 | 49.4 | 1.52 | 2469 | 76.55 |
SEM | 18.1 | 15.1 | 0.160 | 0.86 | 0.027 | 15.3 | 0.167 |
p-values | |||||||
HWP | 0.033 | 0.105 | 0.157 | 0.021 | 0.049 | 0.088 | 0.140 |
Basket | 0.868 | 0.783 | 0.692 | 0.993 | 0.685 | 0.684 | 0.477 |
HWP × basket | 0.390 | 0.602 | 0.917 | 0.574 | 0.329 | 0.583 | 0.882 |
a,b Means within a column that do not share a common superscript are significantly different (p < 0.05) as determined by a Tukey’s multiple comparison test. 1 Mean values of 4 male birds randomly sampled from each HWP within each of 13 replicate pens per basket treatment.