Table 4.
Carcass characteristics (g/100 g of HCW, unless stated otherwise) of 14-wk-old Boschveld indigenous hens fed with seaweed meal–containing diets.
|
1Experimental diets |
SEM |
P value |
||||||
|---|---|---|---|---|---|---|---|---|
| SW0 | SW20 | SW25 | SW30 | SW35 | Linear | Quadratic | ||
| Dressing, % | 72.25 | 71.63 | 71.81 | 74.34 | 72.40 | 1.153 | 0.593 | 0.582 |
| Slaughter weight (g) | 1232.5 | 1251.8 | 1289.3 | 1227.4 | 1286.0 | 18.173 | 0.193 | 0.932 |
| HCW (g) | 890.5 | 897.0 | 926.1 | 910.8 | 930.9 | 16.243 | 0.106 | 0.688 |
| CCW (g) | 861.4 | 872.4 | 891.3 | 881.3 | 902.3 | 16.110 | 0.106 | 0.680 |
| Breast | 14.15 | 15.96 | 13.73 | 15.64 | 14.70 | 0.713 | 0.608 | 0.358 |
| Drumstick | 6.71 | 6.60 | 6.26 | 5.51 | 6.59 | 0.472 | 0.324 | 0.874 |
| Wing | 5.34 | 6.20 | 6.09 | 6.05 | 6.00 | 0.357 | 0.109 | 0.326 |
| Thigh | 6.94 | 6.90 | 7.18 | 7.13 | 7.24 | 0.142 | 0.098 | 0.293 |
Abbreviations: CCW, cold carcass weight; HCW, hot carcass weight.
1
Experimental diets: SW0 = commercial grower diet without seaweed meal; SW20 = commercial grower diet with seaweed meal at a rate of 20 g/kg; SW25 = commercial grower diet with seaweed meal at a rate of 25 g/kg; SW30 = commercial grower diet with seaweed meal at a rate of 30 g/kg; SW35 = commercial grower diet with seaweed meal at a rate of 35 g/kg.