Cockology

Cockology is the study of cock (or rooster in English). A cock is an adult male chicken.

Sexing
When a chicken egg is hatched, a chick is born. A chick is a young chicken. Chick sexing describe a process in which cockologist separate the male chicks from the female chicks. Male chick will grow up to become a cock and female chick will grow up to become a hen.

Capon
A capon is a castrated cock. More specifically, the cock is castrated by a cockologist when it is still a chick.