Fig 2: Western blot analysis of the MEF2D protein level in the longissimus dorsi muscle of bulls with different MEF2D combined genotypes: gt1—(Ins-C-C/Ins-C-C), gt2—(Del-A-T/Del-A-T), gt3—(Ins-C-C/Del-A-T). Three samples for each genotype were analysed; *P = 0.05, **P < 0.01