Table 4.
Effects of high-protein canola meal (CM-HP) or conventional canola meal (CM-CV) on sow productivity
Item | Diet | P value | |||||||
---|---|---|---|---|---|---|---|---|---|
Control | CM-HP | CM-CV | SEM | CM-HP | CM-CV | CM-HP vs. CM-CV | |||
50% | 100% | 50% | 100% | Linear | Linear | ||||
No. of sows | 38 | 37 | 36 | 34 | 35 | ||||
Parity | 2.33 | 2.38 | 2.22 | 2.32 | 2.33 | 0.31 | 0.79 | 1.00 | 0.93 |
Sow BW at d 7 gestation, kg | 211.3 | 205.3 | 210.0 | 207.7 | 204.5 | 5.05 | 0.84 | 0.33 | 0.76 |
Sow BW at d 107 gestation, kg | 271.3 | 264.9 | 266.0 | 268.1 | 266.8 | 4.59 | 0.36 | 0.45 | 0.64 |
Sow BW at d 1 post-farrowing, kg | 262.2 | 250.4 | 253.1 | 256.4 | 252.8 | 4.46 | 0.14 | 0.12 | 0.52 |
Sow BW at weaning, kg | 243.3 | 235.6 | 235.6 | 240.9 | 233.6 | 4.95 | 0.26 | 0.15 | 0.73 |
Sow lactation BW change,1 kg | −19.02 | −15.04 | −17.55 | −15.68 | −19.09 | 2.27 | 0.60 | 0.98 | 0.60 |
Sow overall BW change,2 kg | −28.23 | −29.89 | −30.56 | −27.23 | −32.75 | 3.20 | 0.52 | 0.22 | 0.93 |
ADFI in gestation, kg | 2.41 | 2.37 | 2.37 | 2.41 | 2.42 | 0.03 | 0.24 | 0.65 | 0.06 |
ADFI in lactation, kg | 4.76 | 4.56 | 4.71 | 4.66 | 4.52 | 0.25 | 0.81 | 0.26 | 0.78 |
Wean to first estrus interval, d | 5.42 | 5.33 | 5.35 | 5.22 | 5.80 | 0.15 | 0.62 | <0.05 | 0.12 |
1Sow lactation BW change was calculated as the difference between sow weaning weight and sow BW at day 1 post-farrowing.
2Sow overall BW change was calculated as the difference between sow weaning weight and sow BW at day 107.