Table 2.
Estimates of heritability and of the proportion of phenotypic variance explained by litter effects for loge-transformed sample/positive ratios for IgG and IgM natural antibody against four antigens and for total IgG in blood of young healthy piglets
| Antibody | Heritability (SE) | Litter effects (SE) |
|---|---|---|
| KLHa-Ge | 0.13 (0.05) | 0.46 (0.03) |
| LPSb-G | 0.14 (0.05) | 0.53 (0.03) |
| LTAc-G | 0.18 (0.05) | 0.56 (0.03) |
| PDGd-G | 0.15 (0.05) | 0.51 (0.03) |
| Ave-Gg | 0.23 (0.05) | 0.43 (0.03) |
| KLH-Mf | 0.36 (0.07) | 0.10 (0.04) |
| LPS-M | 0.45 (0.07) | 0.06 (0.03) |
| LTA-M | 0.54 (0.06) | 0.00 (0.00) |
| PDG-M | 0.36 (0.06) | 0.08 (0.03) |
| Ave-Mh | 0.51 (0.07) | 0.04 (0.03) |
| IgG-Ti | 0.19 (0.06) | 0.19 (0.04) |
aKLH = keyhole limpet hemocyanin
bLPS = lipopolysaccharide
cLTA = lipoteichoic acid
dPDG = peptidoglycan
eG = isotype IgG
fM = isotype IgM
gAve-G = the average of logeNAb IgG across the four antigens
hAve-M = the average of logeNAb IgM across the four antigens
iIgGT = the S/P ratio for total IgG level in plasma