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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

From: Effects of sires with different weight gain potentials and varying planes of nutrition on growth of growing-finishing pigs

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
  1. 1), 2), 3)H, high plane of nutrition; M, medium plane of nutrition; L, low plane of nutrition. Data are least squares means of 20 animals. Average ADFI for both H, M, and L groups were 1.07, 1.06, and 0.84 kg and 1.78, 1.72, and 2.02 kg during the phases 1 and 2, respectively.
  2. 4)B, barrow; G, gilt; Sr, sire; PN, plane of nutrition; S, sex.