Table 3
Growth performance of the pigs born from two groups of sires with high and medium weight gain potentials, respectively, on varying planes of nutrition during the grower phase beginning from August 1 through September 26, 2012
Item | Medium potential | High potential | SEM | Sex | P-value |
---|
H1) | M2) | L3) | H1) | M2) | L3) | B4) | G4) | SEM | Sr4) | PN4) | Sr × PN | S4) |
---|
Initial wt, kg | 15.2 | 15.8 | 16.0 | 15.7 | 16.4 | 14.3 | 0.44 | 15.5 | 15.6 | 0.25 | 0.63 | 0.11 | 0.02 | 0.81 |
Days on feed | | | | | | | | | | | | | | |
Phase (P) 1 | 26 | 27 | 29 | 26 | 27 | 29 | | | | | | | | |
P 2 | 29 | 29 | 28 | 29 | 29 | 28 | | | | | | | | |
Final wt, kg | | | | | | | | | | | | | | |
P 1 | 30.7 | 30.5 | 27.6 | 28.7 | 29.1 | 27.0 | 0.8 | 28.8 | 29.0 | 0.5 | 0.05 | <0.01 | 0.67 | 0.77 |
P 2 | 51.6 | 49.7 | 44.0 | 49.9 | 50.4 | 45.1 | 1.2 | 48.8 | 48.1 | 0.7 | 0.96 | <0.01 | 0.46 | 0.48 |
ADG | | | | | | | | | | | | | | |
P 1 | 0.59 | 0.54 | 0.40 | 0.50 | 0.47 | 0.44 | 0.02 | 0.49 | 0.49 | 0.01 | <0.01 | <0.01 | <0.01 | 0.87 |
P 2 | 0.72 | 0.66 | 0.59 | 0.76 | 0.77 | 0.64 | 0.02 | 0.71 | 0.67 | 0.01 | <0.01 | <0.01 | 0.27 | 0.08 |
Overall | 0.66 | 0.61 | 0.49 | 0.63 | 0.62 | 0.54 | 0.02 | 0.60 | 0.58 | 0.01 | 0.48 | <0.01 | 0.13 | 0.26 |