Table 2. Distribution of F4ab/F4ac adhesion phenotypes in three swine breeds.
F4ab | F4ac | |||||||
Breeda | Total | LR | LW | SB | Total | LR | LW | SB |
Negative (Control) b | 140 | 11 | 74 | 55 | 168 | 16 | 85 | 67 |
Positive (Case) c | 161 | 56 | 87 | 18 | 133 | 51 | 76 | 6 |
Total | 301 | 67 | 161 | 73 | 301 | 67 | 161 | 73 |
LR, Landrace; LW, Yorkshire; SB, Songliao Black;
Including both non-adhesive and weakly adhesive piglets;
Including both adhesive and strongly adhesive piglets.