Table 4 Effects of α-glycerol monolaurate (α-GML) supplementation during late gestation and lactation on immunoglobulin levels in colostrum and milk of sows
Item | Dietary α-GML level, mg/kg | SEM | P-value | |||||
|---|---|---|---|---|---|---|---|---|
0 | 500 | 1000 | 2000 | Treatment | Linear | Quadratic | ||
Colostrum | ||||||||
 IgA, mg/mL | 11.61 | 13.04 | 13.78 | 11.25 | 0.30 |  < 0.05 | 0.46 |  < 0.05 |
 IgG, mg/mL | 66.76 | 71.18 | 71.28 | 70.42 | 0.67 |  < 0.05 | 0.13 |  < 0.05 |
 IgM, mg/mL | 5.22 | 5.19 | 5.37 | 5.39 | 0.09 | 0.85 | 0.46 | 0.94 |
Milk | ||||||||
 IgA, mg/mL | 3.02 | 3.29 | 3.38 | 2.95 | 0.09 | 0.30 | 0.29 |  < 0.05 |
 IgG, mg/mL | 27.69 | 31.41 | 33.27 | 30.97 | 0.76 | 0.06 |  < 0.05 |  < 0.05 |
 IgM, mg/mL | 5.34 | 5.25 | 5.23 | 5.31 | 0.06 | 0.87 | 0.92 | 0.42 |