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Extent of linkage disequilibrium (LD) for each breed 1. 1 DR = Duroc, LW = Large White, LR = Landrace, PI = Pietrain, WBE = European wild boars, WBA = Asian wild boar, BMX = Bamaxiang, DB = Debao, DHB = Dahuabai, GZH = Guizhonghua, LC = Luchuan, LL = Longlin, LT = Lantang, MH = Meihua, XE = Guangdongxiaohua, YDH = Yuedonghei.
