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Most of todays meat-type breeds of chickens are not really breeds at all. Instead, they are hybrid varieties or combinations of many different breeds. The combinations of breeds are selected to produce a variety or strain with meat characteristics that the producer desires most. Some breeds grow faster and larger while others emphasis traits like larger breast meat yield, more efficient feed conversion, or more disease resistance. The strains are named after the breeding companies that genetically develop them, like Arbor Acres, Ross, Peterson and Hubbard, to name a few. These strains are used by broiler producing companies that commercially produce broilers sold in supermarkets.White Leghorn (WL) cockerels with Australorp (AL) hens. Redbro,Mastergris JA57 Co’NU Gris Barre and Colopak are some of the strains used to cross breed.
Rhode Island Red- This breed can be further divided into single comb and rose comb. This breed generally weighs from somewhere around six and half pounds to eight and half pounds. The color of their skin is yellow and the color of the shell of the egg is brown. This is a dual-purpose breed as mentioned above and are used for meat and egg production. They originated in Rhode Island.
Langshan
These are available in two varieties one white and the other black. The standard weight varies from nine and half pounds to seven and half pounds. The color of their skin is white and the color of the eggshell is brown. It is generally used for meat not eggs. It is usually roasted and is well suited for capons. This breed originated in China and they are tall with long legs and tails. These chickens are a very active and energetic breed.
Dorking
Known for its fine quality of meat. They can be found in three varieties namely silver gray, white and colored. The standard weight of these varieties are about six pounds. The color of their skin is white and the color of the eggshell is also white. It is believed to have been originated in Italy and was introduced in England by Romans. They have a rectangular body and short legs. It has five toes and need protection in very cold weather.
Cornish + Cornish cross
This breed is the finest for the meat industry and lays the foundation of the broiler industry. The development and arrangement of the muscles give it a good carcass shape. The color of the skin of this breed is yellow and the color of the eggshell is brown. They are found in dark, white, white laced and buff varieties and weigh somewhere around ten pounds. This breed developed in the county of Cornwall country in England. They have a broad and well- muscled body.
White Cornish x White Plymouth Rock). They reach 4-5 lbs in 6
weeks and 6-10 lbs in 8-12 weeks.
First answer by Jadeacres. Last edit by Jadeacres. Contributor trust: 2163 [recommend contributor]. Question popularity: 2 [recommend question].