Figure 1.
Muscle fiber morphology traits of different muscular tissues from slow- and fast-growing broilers. (A) Hematoxylin and eosin staining. Magnification of 400 × was used (Bar = 50 μm). (B) Muscle fiber diameter. (C) Muscle fiber cross-sectional area. Vertical bars represent mean ± standard error (n = 6). Statistically significant differences are indicated by different letters (P < 0.05). BM, breast muscle. SOL, soleus muscle. Abbreviations: EDL, extensor digitorum longus muscle; GAS, gastrocnemius muscle.