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. 2021 May 20;100(8):101264. doi: 10.1016/j.psj.2021.101264

Figure 1.

Figure 1

Schematic view of muscle fiber and bundle in three distinct commercial breeds of ducks. (A) Appearance of the Cherry Valley duck (a), Small-sized Beijing duck (b) and Liancheng White duck (c) at market age; (d) Schematic diagram of leg muscle anatomical locations. (B) Hematoxylin and eosin staining. Scale bar = 100 μm. (C) Comparison of histological characteristics of muscle fiber of the three duck breeds. a) muscle fiber diameter; b) muscle fiber cross-sectional area; c) fiber density. Vertical bars represent mean ± SD (n = 6). The different superscripts on the bars indicate significant (P < 0.05) differences. Abbreviations: EDL, m. extensor digitorum longus; PM, m. pectoralis major; SOL, m. soleus; GAS, m. gastrocnemius.