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 |