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. 2012 Mar 23;7(3):e32127. doi: 10.1371/journal.pone.0032127

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
a

LR, Landrace; LW, Yorkshire; SB, Songliao Black;

b

Including both non-adhesive and weakly adhesive piglets;

c

Including both adhesive and strongly adhesive piglets.