Parameter J* Feeding group
C E100% E125%
Body weight Initial kg 29.8 ± 1.8 29.7 ± 2.8 30.1 ± 2.4
After 7 weeks kg 64.0 ± 6.4A 69.1 ± 5.4A 67.0 ± 6.3
After 13 weeks kg 102.6 ± 6.0 107.5 ± 5.9 107.3 ± 9.4
Average daily weight gain (I phase) g 697 ± 114a 803 ± 82a 754 ± 123
Daily weight gain (II phase) g 919 ± 56 916 ± 72 960 ± 110
Daily weight gain (all period) g 800 ± 61 855 ± 58 849 ± 102
Daily feed intake (I phase) kg 2.08 ± 0.04a 2.07 ± 0.05b 1.98 ± 0.08a.b
Daily feed intake (II phase) kg 2.81 ± 0.05a.b 2.96 ± 0.12a 2.96 ± 0.18b
Feed conversion ratio I phase kg 3.06 ± 0.53a 2.45 ± 0.12a 2.69 ± 0.18
II phase kg 3.07 ± 0.21 3.25 ± 0.24 3.11 ± 0.29
all period kg 3.11 ± 0.33A 2.91 ± 0.16A 2.74 ± 0.66
Carcass weight kg 77.9 ± 5.2a.A 83.8 ± 5.4a 83.3 ± 7.4A
Carcass yield % 75.9 ± 1.9a.A 77.9 ± 2.4a 77.6 ± 1.2A
The meat content in the carcase % 57.8 ± 2.1 57.7 ± 2.4 58.0 ± 1.8
Back fat thickness Dorsal cm 3.0 ± 0.3 2.9 ± 0.5 3.1 ± 0.6
Shoulder cm 1.5 ± 0.3 1.7 ± 0.4 1.5 ± 0.4
Sacralis I cm 2.1 ± 0.3 2.1 ± 0.5 2.1 ± 0.6
Sacralis II cm 1.3 ± 0.4 1.3 ± 0.3 1.2 ± 0.5
Sacralis III cm 2.2 ± 0.5 2.0 ± 0.8 2.1 ± 0.7
Weight of liver kg 1.99 ± .022 1.99 ± 0.22 2.05 ± 0.22
a.b.cStatistical significant differences p≤0.05
A.B.CSignificant differences p≤0.1
J* - unit.
Table 5: Evaluation of carcass slaughter value, mean ± SD (N=13).