Net energy requirement
Final weight: 478 kg
A
B
Weight, kg
227
408
NEm, Mcal/d
4.51
7.00
Final weight: 667 kg
C
D
Weight, kg
324
583
NEm, Mcal/d
5.89
9.15
NEg, Mcal/d
0.68 kg/d
2.14
3.32
1.59 kg/d
5.42
8.42
48%
48%
87%
87%
Animals A and C have about 48% of mature weight whereas animals B and D have about 87% of mature weight, therefore, their composition of the gain is similar and require similar amount of energy to gain a 1 kg per day.