A broiler is any chicken (Gallus gallus domesticus) that is bred and raised specifically for meat production. Most commercial broilers reach slaughter weight between four and seven weeks of age, although slower growing breeds reach slaughter weight at approximately 14 weeks of age. Typical broilers have white feathers and yellowish skin.Gait score = 0Gait score = 1Gait score = 2Gait score = 3Gait score = 4Gait score = 5 A broiler is any chicken (Gallus gallus domesticus) that is bred and raised specifically for meat production. Most commercial broilers reach slaughter weight between four and seven weeks of age, although slower growing breeds reach slaughter weight at approximately 14 weeks of age. Typical broilers have white feathers and yellowish skin.