Table 8
Effects of dietary energy and protein levels on economical efficiency

CriteriaTreatmentsSEM2P-value
ME 3,265ME 3,365CONP4P5LP5EPE×P
Feed cost per weight gain, won/kg
 0-3 weeks778B870A85184783176817.20.010.330.63
 3-6 weeks9881,0491,0291,0101,04898519.10.150.750.66
 6-9 weeks1,035B1,202A1,1241,1201,1801,05041.10.020.600.34
 9-12 weeks1,1191,1861,1661,1881,1721,08332.40.510.620.63
 12-13 weeks1,1101,1771,3181,1369981,12154.20.980.140.38
 0-13 weeks5,029B5,484A5,4895,3025,2305,00688.80.020.170.33
Total feed cost per pig, won/head
 0-3 weeks13,64014,91214,43813,83015,10713,729383.70.110.580.68
 3-6 weeks17,64218,65918,99217,43918,83317,339431.60.270.430.94
 6-9 weeks20,343B22,140A22,28620,74421,28020,655432.20.040.540.98
 9-12 weeks22,143B24,288A23,43823,45423,87522,096386.50.010.270.27
 12-13 weeks7,663B9,151A8,4318,7628,2328,204186.60.010.470.80
 0-13 weeks81,431B89,150A87,58584,23087,32682,0231469.70.010.550.92
Days to market weight (Day, reached 120 kg BW)
105.5102.4106.8103.9102.2102.91.600.360.770.40
 Carcass yield and price
 Carcass yield, %76.776.777.276.076.277.40.2700.950.230.99
 Carcass price, 1,000 won377.6a368.4b368.3376.2365.6381.82.6410.080.120.90