In Large White, the BB genotype at E5 was favorable marker genotype for TNB and NBA, and the BB genotype at E7 was favorable marker genotype for TNB.

• 对于大白猪，E5位点BB基因型可作为在TNB和NBA性状上的标记基因型，E7位点BB基因型可以作为TNB性状的标记基因型。