The invention provides a method for detecting a special growth and development law of muscles of Jingning chicken. The Jingning chicken are unique and peculiar local chicken of the Gansu province, are fresh and tender in texture and unique in
flavor, and have good public praise, however, the Jingning chicken are endangered, and the prospect is grim. In the method for detecting the special growth and development law of the muscles of the Jingning chicken,
chick embryos of the Jingning chicken are researched, and special meat quality trait controlling genes such as growth and development gap-associated proteins: CECR2 (cat eye syndrome
chromosome region) and IGF-1 (
insulinlike growth factor-1),
fatty acid metabolism gap-associated proteins: Ex-FABP (
fatty acid-
binding protein) and LPL (
lipoprotein lipase) and
protein degradation gap-associated proteins: CAST and CAPN1 are selected.
Protein expression distribution and change of expression level of proteins in posterior limb buds and body segments in a chick
embryo development HH19-31 period are detected by using methods of
immunohistochemistry and Western blotting and the like, and the Jingning chicken are compared to white
feather broilers, yellow
feather broilers and hyline brown chicken. By the method for detecting the special growth and development law of the muscles of the Jingning chicken, the relation of growth and development regulatory
functional genes, growth performance and meat quality is discussed, and data are provided for establishing target genes of transgenic chicken. Moreover, the resource superiority can be widely developed and used, and new
vitality is injected to development of local economy.