Item | Dietary α-GML level, mg/kg | SEM | P-value | |||||
---|---|---|---|---|---|---|---|---|
0 | 500 | 1000 | 2000 | Treatment | Linear | Quadratic | ||
Sows | ||||||||
 ADFI, kg/d | 6.12 | 6.21 | 6.38 | 6.36 | 0.05 | 0.20 | 0.07 | 0.33 |
 Backfat thickness on d 110 of gestation | 19.67 | 19.38 | 19.81 | 19.94 | 0.56 | 0.98 | 0.98 | 0.94 |
 Backfat loss, mm | 1.82 | 1.67 | 1.76 | 1.39 | 0.23 | 0.92 | 0.54 | 0.86 |
 Weaning estrus interval, d | 4.65 | 4.95 | 5.05 | 5.17 | 0.12 | 0.47 | 0.15 | 0.29 |
Litter size (n) | ||||||||
 At birth | 13.24 | 14.41 | 14.21 | 13.43 | 0.30 | 0.40 | 0.21 | 0.44 |
 At weaning | 11.60 | 11.95 | 11.86 | 11.71 | 0.11 | 0.66 | 0.95 | 0.27 |
Litter weight, kg | ||||||||
 At birth | 13.81 | 16.99 | 16.25 | 16.51 | 0.41 |  < 0.05 | 0.08 |  < 0.05 |
 At weaning | 68.23 | 75.08 | 75.97 | 72.95 | 1.14 | 0.06 | 0.28 |  < 0.05 |
Piglets weight, kg | ||||||||
 At birth, kg | 1.27 | 1.33 | 1.29 | 1.27 | 0.02 | 0.57 | 0.68 | 0.38 |
 At weaning, kg | 5.89 | 6.23 | 6.40 | 6.20 | 0.08 | 0.13 | 0.21 |  < 0.05 |