From: Effects of magnesium on the performance of sows and their piglets
Item | Supplemental magnesium, % | SEM1 | P value | ||||
---|---|---|---|---|---|---|---|
0 | 0.015 | 0.03 | 0.045 | Linear | Quadratic | ||
Number born per litter2 | 12.1 | 13.7 | 12.8 | 12.4 | 0.37 | 0.93 | 0.04 |
Number of pigs born alive per litter | 10.4 | 12.5 | 11.4 | 10.8 | 0.35 | 0.91 | 0.01 |
Average pig weight at birth, kg | 1.27 | 1.30 | 1.46 | 1.42 | 0.06 | 0.04 | 0.09 |
Pigs weaned per litter | 9.21 | 10.64 | 10.0 | 9.43 | 0.21 | 1.00 | 0.01 |
Average pig weight at weaning, kg | 7.1 | 7.7 | 7.3 | 6.9 | 0.18 | 0.46 | 0.03 |
Wean to estrus interval, d | 7.1 | 6.3 | 6.1 | 6.8 | 0.19 | 0.30 | 0.01 |
Constipation rate3, % | 64.2 | 42.8 | 35.7 | 21.4 | 0.06 | 0.02 | 0.36 |
Average daily lactation feed intake of sows, kg | 5.12 | 5.13 | 5.17 | 5.10 | 0.62 | 0.56 | 0.82 |