Table 4.
Carcass and internal organ weights of 16 week old female Naked Neck and Ovambo chickens raised with or without water restriction
| Carcass and viscera parameter (per bird) | Strain | ±SE1 | Anova (p-value) | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
|
| ||||||||||
| Naked neck | Ovambo | |||||||||
|
|
|
|
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| Ad lib | 70% of ad lib | 40% of ad lib | Ad lib | 70% of ad lib | 40% of ad lib | Strain | WRL2 | Strain×WRL | ||
| Birds (n) | 12 | 12 | 12 | 12 | 12 | 12 | ||||
| Cold dressed mass (g) | 1,050.1 | 994.0 | 827.3 | 965.9 | 940.8 | 886.4 | 67.48 | 0.66 | 0.10 | 0.49 |
| Dressing percentage | 65.2 | 74.6 | 76.9 | 53.8 | 63.6 | 68.8 | 5.50 | 0.05 | 0.06 | 0.94 |
| Liver (g) | 34.4 | 31.8 | 28.8 | 34.5 | 27.5 | 26.7 | 2.97 | 0.42 | 0.08 | 0.72 |
| Lung (g) | 9.3 | 11.7 | 9.0 | 11.4 | 10.3 | 9.3 | 1.22 | 0.79 | 0.34 | 0.32 |
| Heart (g) | 10.0 | 10.1 | 8.7 | 10.0 | 9.4 | 8.2 | 0.56 | 0.40 | 0.04 | 0.73 |
| Kidney (g) | 10.5 | 10.1 | 8.8 | 10.2 | 10.1 | 8.4 | 0.96 | 0.78 | 0.19 | 0.98 |
| Gizzard (g) | 41.7 | 40.1 | 33.3 | 39.8 | 35.8 | 33.7 | 3.26 | 0.50 | 0.11 | 0.74 |
| GIT (cm) | 127.8 | 127.9 | 129.5 | 121.0 | 120.9 | 132.0 | 6.19 | 0.49 | 0.51 | 0.64 |
Means within a row followed by different superscript are significantly different (p<0.05).
1
SE = Standard error.
2
WRL = Water restriction level.