; The content of total amino acids is 22%, the total amount of seven amino acids which determine umami and sweet umami is 10%, the content of linolenic acid which is very beneficial to human health is 1. 1 1%, the content of inosinic acid is 4.3%, the content of taurine is 0.65 mg/g, and the diameter of muscle fiber is 26 microns. Because its muscle contains a variety of delicious and sweet substances, and its muscle fiber diameter is thin, its meat is tender and delicious, and it is rich in protein, amino acids and unsaturated fatty acids, which has a health care function.