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. 2017 Jul;95(7):2838–2847. doi: 10.2527/jas.2017.1524

Table 1.

Number of individuals, sires, and dams per line used for analyses

Line1 No. Number of sires Number of dams
D1 9,264 628 2,946
D2 18,458 710 4,330
S1 7,228 497 2,175
S2 8,868 449 2,353

1D1 = Landrace dam line; D2 = Large White dam line; S1 = synthetic sire line; S2 = Pietrain sire line.