The following terms are frequently used in the community of rooster (gamefowl) breeders.
Environmental blemish - A gamefowl which has one or more imperfections, preventing it from being of "show" quality. Environmental blemish examples:
- Missing toenails
- Broken toenails
- Damaged feathers
- Damaged beak
Brood cock – a rooster 2 or more years old used strictly for breeding
Brood stag – a rooster under 2 years old used strictly for breeding.
Brood hen – a hen 2 or more years old used strictly for breeding.
Brood pullet – a hen under 2 years old used strictly for breeding.
Brood pen – a pen used to hold and maintain brood fowl for purposes of breeding.
Bull stag – a rooster between 1 and 2 years old.
Cock – a rooster 2 years or older.
Cocker – a promoter, handler, breeder, or fan of gamefowl.
Fowl – checks collectively, it refers to both sexes, & sometimes means gamefowl.
Gamefowl – fowls used for show and breeding purposes.
Jungle fowl – the original fowl from which all chickens derive.
Moulting – the time when fowl drop their feathers and grow new ones in their place.
Pullet – a hen under 2 years old.
Stag – a rooster under 1 year old.