A rooster, also called a cock or chanticleer is a male chicken , the female being called a hen. Immature male chickens of less than a year's age are called cockerels.... (cockerel) whose reproductive organs have been removed at a young age (caponization). Typically, the castration
Castration
Castration is any action, surgery, chemical castration, or otherwise, by which a male loses the functions of the testicles. In common usage the term is usually applied to males, although as a medical term it is applied to both males and females.... is performed when the chicken is between 6 and 20 weeks old.
The benefits to this process are non-aggressive males that produce ample, tender, chicken-flavored meat when butchered, and as such are a choice poultry meat in some locales.