Table 4.
Supplemental effects of LPL in lactation diets on the performance of sows and suckling piglets
| Item | CON | LPL1 | SEM | P-value |
|---|---|---|---|---|
| Sow parity | 3.4 | 3.2 | 1.6 | 0.604 |
| Sow BW, kg | ||||
| Day 110 of gestation | 256.6 | 256.1 | 19.3 | 0.877 |
| Farrowing | 235.7 | 234.4 | 19.4 | 0.723 |
| Weaning | 219.6 | 222.3 | 19.9 | 0.606 |
| BW loss, kg | -15.5 | -11.8 | 4.0 | 0.323 |
| ADFI, kg | ||||
| Days 0 to 9 | 6.45 | 6.61 | 0.35 | 0.512 |
| Days 9 to 18 | 8.67 | 8.34 | 0.38 | 0.352 |
| Total | 7.58 | 7.25 | 0.36 | 0.160 |
| Backfat thickness, mm | ||||
| Day 110 of gestation | 10.9 | 11.4 | 0.9 | 0.521 |
| Day 0 | 11.2 | 11.1 | 0.8 | 0.946 |
| Day 9 | 10.6 | 10.6 | 0.6 | 0.875 |
| Day 18 | 9.9 | 9.8 | 0.9 | 0.845 |
| Backfat change | -1.3 | -1.3 | 0.4 | 0.953 |
| Litter size, head | ||||
| Day 0, liveborn | 14.1 | 14.8 | 0.7 | 0.230 |
| Day 1 | 13.7 | 14.3 | 0.5 | 0.227 |
| Day 9 | 12.0 | 12.9 | 0.2 | 0.013 |
| Day 18 | 11.9 | 12.8 | 0.2 | 0.006 |
| Litter weight, kg | ||||
| Day 0, liveborn | 20.9 | 21.7 | 0.9 | 0.464 |
| Day 9 | 44.0 | 49.4 | 1.6 | 0.019 |
| Day 18 | 75.0 | 81.2 | 2.6 | 0.047 |
| Litter BW gain | 53.9 | 59.4 | 2.8 | 0.043 |
| Piglet BW, kg | ||||
| Day 0, liveborn | 1.54 | 1.55 | 0.05 | 0.930 |
| Day 9 | 3.67 | 3.85 | 0.12 | 0.260 |
| Day 18 | 6.32 | 6.34 | 0.17 | 0.928 |
| Mortality, % | 13.9 | 10.6 | 1.3 | 0.004 |
1Sows were fed diets with 0.05% LPL during lactation.
2Sow BW at farrowing was calculated as subtracting litter weight on day 0 lactation from sow BW on day 110 gestation.