HP Gr1) | MP Gr1) | LP Gr1) | P-value | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Item | MP F1), 2) | MP F | LP F1), 3) | SEM | Gr | F | S1) | Gr × F | F × S | |||
B1) | G1) | B | G | B | G | |||||||
Initial wt, kg | 52.8 | 47.0 | 53.7 | 47.0 | 45.8 | 44.5 | 1.9 | 0.01 | <0.01 | <0.01 | <0.01 | 0.10 |
Days on feed | ||||||||||||
Phase (P) 1 | 31 | 31 | 30 | 31 | 37 | 37 | ||||||
P 2 | 38 | 38 | 37 | 37 | 38 | 38 | ||||||
Final wt, kg | ||||||||||||
P 1 | 82.2 | 78.3 | 82.4 | 76.1 | 81.8 | 78.0 | 2.8 | 0.95 | 0.96 | 0.05 | <0.01 | 0.80 |
P 2 | 119.3 | 111.0 | 111.4 | 109.9 | 121.5 | 118.3 | 3.3 | 0.02 | 0.01 | 0.11 | <0.01 | 1.00 |
ADG | ||||||||||||
P 1 | 0.95 | 1.01 | 0.95 | 0.95 | 0.97 | 0.91 | 0.04 | 0.60 | 0.50 | 0.94 | <0.01 | 0.18 |
P 2 | 0.97 | 0.86 | 0.81 | 0.91 | 1.05 | 1.06 | 0.04 | <0.01 | <0.01 | 0.87 | <0.01 | 0.79 |
Overall | 0.96 | 0.93 | 0.88 | 0.93 | 1.01 | 0.98 | 0.03 | <0.01 | <0.01 | 0.95 | <0.01 | 0.35 |
Days to 115 kg | 178.8 | 186.8 | 178.2 | 179.7 | 180.7 | 184.5 | 4.1 | 0.58 | 0.72 | 0.07 | <0.01 | 0.38 |
Carcass wt, kg | 89.3 | 81.8 | 84.8 | 85.2 | 87.7 | 86.9 | 2.1 | 0.48 | 0.23 | 0.13 | <0.01 | 0.51 |
Dressing, % | 74.8 | 73.7 | 74.5 | 75.4 | 73.9 | 73.4 | 0.8 | 0.33 | 0.23 | 0.78 | <0.01 | 0.76 |
BFT4), mm | 21.7 | 23.3 | 23.0 | 25.9 | 26.5 | 26.0 | 1.1 | <0.01 | <0.01 | 0.31 | <0.01 | 0.10 |