Fat distribution is the process of differential accumulation of fat in different parts of the body.Abdominal fat and intramuscular fat are important economic traits in broiler chickens. Effects of thegonadotrophic hormone, FSH, on fat metabolism have been found recently; FSH significantly promotesdifferentiation and lipid deposition in preadipocytes. This study aims to verify the enhancing effect ofFSH on abdominal fat and intramuscular fat in vivo, and to understand the mechanism. We carried outthree exper...