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Breed broiler is any chicken (Gallus gallus domesticus) that is bred and raised specifically for meat production. [1] Most commercial broilers reach slaughter weight between four [ 2 ] and six weeks of age, although slower growing breeds reach slaughter weight at approximately 14 weeks of age.
Illustration of thirty-nine varieties of chicken (and one Guinea Fowl) . There are hundreds of chicken breeds in existence. [1] Domesticated for thousands of years, distinguishable breeds of chicken have been present since the combined factors of geographical isolation and selection for desired characteristics created regional types with distinct physical and behavioral traits passed on to ...
The chicken breeds recognized by the American Poultry Association are listed in the American Standard of Perfection. They are categorized into classes: standard-sized breeds are grouped by type or by place of origin, while bantam breeds are classified according to type or physical characteristics.
Broiler breeder farms raise parent stock which produce fertilized eggs. A broiler hatching egg is never sold at stores and is not meant for human consumption. [9] The males and females are separate genetic lines or breeds, so that each line can be selected for optimal traits for productivity in either females or males, rather than a single line in which a compromise is reached between female ...
Chickens farmed for meat are called broilers. Broiler breeds typically take less than six weeks to reach slaughter size, [82] some weeks longer for free range and organic broilers. [83] A commercial chicken house with open sides raising broiler pullets for meat. Chickens farmed primarily for eggs are called layer hens.
Poultry experts say an eggshell’s color is completely based on the type of chicken that lays it. “The shell color is dictated by the breed. ... Common U.S. breed is White Leghorn chickens
The Cobb 500 is a fast-growing broiler chicken breed. They can reach a 2 kg slaughter weight at 33 days old. [1] [2] They make up around half of all globally farmed chickens as of 2016. [3] The Cobb 500 is controversial due to their health problems. Animal rights and animal welfare groups such as Open Cages have called for the industry to stop ...
This is a list of chicken breeds usually considered to originate in Canada and the United States. [1] [2] Some may have complex or obscure histories, so inclusion here does not necessarily imply that a breed is predominantly or exclusively from those countries.