They are mainly composed of phospholipids and phospholipids are particularly rich in PUFA’s. Furthermore, it has been shown that the metabolism of n-6 and n-3 fatty acid is affected by the MSTN gene and its effect is most evident in n-3 PUFAs of the intramuscular fat composed to intermuscular and subcutaneous fat. Although the absolute content of total n-3 fatty acids is lower in meat of DM animals, they show greater deposition rates of n-3 elongation and desaturation products. This PUFA/SFA ratio together with a decreased ratio of n-6/ n-3 PUFA’s means that DM animals yield healthy meat