From: Association of a single nucleotide polymorphism in akirin 2 gene with marbling in Japanese Black beef cattle
Breeding value*
Genotype
No. of animals
Marbling score
Subcutaneous fat thickness (mm)
AA
348
3.88a ± 0.04
1.39 ± 0.25
GA
382
3.74b ± 0.03
1.16 ± 0.23