POULTRY: DEFINITIONS OF USE CLASSES1 Icon for PDF

CHICKENS
Egg Includes all developmental stages from in ovo until hatching.
Chicks Chickens from day of hatch until they are able to survive in ambient temperature (no longer brooded).
Broiler Chickens (fryers or frying chickens) Chickens (incl. Cornish game hens and roasters) intended to be raised from hatch to processing for meat.
Laying Hens (layers) Mature chickens that produce eggs for human consumption.
Replacement Chickens Chickens, from hatch to maturity, intended to become laying hens or breeding chickens.
Breeding Chickens Sexually mature male or female chickens, of any type, intended for the production of fertile eggs; the eggs are not intended for human consumption.
TURKEYS
Turkey eggs are not intended for human consumption.
Egg Includes all developmental stages from in ovo until hatching.
Poults Turkeys from day of hatch until they are able to survive in ambient temperature (no longer brooded).
Growing Turkeys Turkeys intended to be raised from hatch to processing for meat.
Replacement Turkeys Mature turkeys intended to become laying hens or breeding turkeys.
Breeding Turkeys Sexually mature male or female turkeys intended for the production of fertile eggs.
1All definitions and descriptions of animal use classes are based on information in Guidance for Industry #191 published by the Food and Drug Administration Center for Veterinary Medicine in May 2015.