Table 7.
Parameters | Treatments | p Value | |||||
---|---|---|---|---|---|---|---|
T1 | T2 | T3 | T4 | T5 | T6 | ||
42 day-old (Finisher phase) | |||||||
Final live weight (g) | 2291.80 ± 11.41 bc | 2264.20 ± 5.05 c | 2304.40 ± 12.01 bc | 2332.40 ± 10.51 b | 2415.80 ± 11.42 a | 2426.80 ± 16.56 a | 0.01 |
Kill-out weight (g) | 2184.30 ± 10.09 c | 2185.80 ± 5.63 c | 2200.20 ± 4.51 c | 2213.20 ± 20.74 bc | 2267.40 ± 18.92 b | 2344.80 ± 17.91 a | 0.01 |
De-feathered weight (g) | 2143.80 ± 2.99 c | 2138.60 ± 6.53 c | 2161.00 ± 4.15 bc | 2160.00 ± 6.41 bc | 2184.00 ± 10.96 b | 2226.20 ± 1.78 a | 0.01 |
Carcass weight (g) | 1636.60 ± 6.53 c | 1626.80 ± 3.32 c | 1656.20 ± 6.75 bc | 1679.80 ± 3..67 bc | 1740.00 ± 15.77 b | 1752.00 ± 5.24 a | 0.01 |
Dressing percentage (%) | 71.41 ± 0.07 | 71.85 ± 0.07 | 71.87 ± 0.09 | 72.02 ± 0.18 | 72.02 ± 0.33 | 72.20 ± 0.34 | 0.20 |
Breast (g) | 633.00 ± 1.05 b | 630.20 ± 2.84 b | 631.20 ± 1.74 b | 634.00 ± 3.29 b | 638.60 ± 3.71 ab | 646.00 ± 0.45 a | 0.02 |
Drumstick (g) | 226.80 ± 40.58 b | 225.20 ± 1.32 b | 235.80 ± 3.15 ab | 226.40 ± 5.74 b | 234.20 ± 1.81 ab | 245.20 ± 4.22 a | 0.02 |
Wings (g) | 198.80 ± 4.75 b | 201.20 ± 4.21 b | 201.20 ± 0.49 b | 204.40 ± 5.23 b | 210.20 ± 2.15 ab | 222.40 ± 4.82 a | 0.01 |
Head (g) | 60.60 ± 0.25 | 63.80 ± 2.18 | 61.80 ± 2.06 | 62.40 ± 0.25 | 64.20 ± 0.92 | 64.80 ± 1.56 | 0.32 |
Neck (g) | 42.10 ± 0.45 b | 42.40 ± 0.68 b | 41.60 ± 2.27 b | 44.80 ± 2.25 b | 45.80 ± 0.86 b | 53.80 ± 2.40 a | 0.01 |
Shanks (g) | 98.00 ± 1.27 | 96.60 ± 2.46 | 99.20 ± 1.66 | 101.60 ± 2.14 | 100.00 ± 3.46 | 104.00 ± 2.19 | 0.29 |
Full gizzard (g) | 43.20 ± 3.25 | 48.80 ± 2.94 | 47.80 ± 5.54 | 41.00 ± 4.52 | 44.20 ± 1.36 | 48.40 ± 4.43 | 0.65 |
Empty gizzard (g) | 31.60 ± 1.25 | 30.80 ± 2.46 | 33.80 ± 1.83 | 34.00 ± 1.34 | 30.40 ± 0.75 | 33.20 ± 1.11 | 0.43 |
GIT (g) | 220.20 ± 3.76 | 200.20 ± 7.92 | 213.00 ± 6.41 | 208.20 ± 6.86 | 207.60 ± 6.11 | 217.40 ± 5.22 | 0.26 |
Heart (g) | 11.00 ± 0.01 | 11.40 ± 0.25 | 11.40 ± 0.25 | 11.40 ± 0.25 | 11.40 ± 0.25 | 11.60 ± 0.25 | 0.58 |
Liver (g) | 45.40 ± 3.44 | 52.20 ± 2.87 | 50.40 ± 1.63 | 55.00 ± 2.74 | 46.40 ± 2.64 | 52.00 ± 2.59 | 0.25 |
Note: All values were expressed as mean ± SE; a,b,c values with superscript within row are significantly different at p < 0.05. T1: Negative control; T2: Positive control; T3: 25 mg/kg; T4: 50 mg/kg; T5: 75 mg/kg; T6: 100 mg/kg. GIT: Gastrointestinal tract.