Fig. 3From: Genome editing in cultured fishesYellow catfish exhibiting wild-type (A) and edited myostatin a (B) phenotypes (Dong et al. 2011). The homozygous mutants displayed double-muscling, with two obvious muscle masses between the head and dorsal fin at 1-month-old, which become more obvious with growth. C Histological sections showed that mstna-knockout fish had increased numbers of fibers, with decreased fiber sizeBack to article page