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The broiler industry is the process by which broiler chickens are reared and prepared for meat consumption. Worldwide, in 2005 production was 71,851,000 tonnes. From 1985 to 2005, the broiler industry grew by 158%. [1] A key measure of performance is the feed conversion ratio (FCR), the ability to
Modern commercial broilers, for example, Cornish crosses and Cornish-Rocks, [citation needed] are artificially selected and bred for large-scale, efficient meat production. They are noted for having very fast growth rates, a high feed conversion ratio, and low levels of activity. Modern commercial broilers are bred to reach a slaughter-weight ...
Modern varieties of chicken such as the Cornish Cross, are bred specifically for meat production, with an emphasis placed on the ratio of feed to meat produced by the animal. The most common breeds of chicken consumed in the U.S. are Cornish and White Rock. [16] Chickens raised specifically for food are called broilers. In the U.S., broilers ...
The regular feed conversion ratio, i.e. output fish mass divided by total feed mass. The conversion ratio only taking into account the fish-based component of fish feed, called the FIFO ratio (or Fish In – Fish Out ratio). FIFO is fish in (the mass of harvested fish used to feed farmed fish) divided by fish out (mass of the resulting farmed ...
Diseases can be avoided with proper maintenance of the feed and feeder. A feeder is the device that supplies the feed to the poultry. [8] For privately raised chickens, or chickens as pets, feed can be delivered through jar, trough or tube feeders. The use of poultry feed can also be supplemented with food found through foraging. [9]
A roasted Cornish game hen A Cornish game hen ready for the oven. Cornish game hen (also Rock Cornish game hen) is the USDA-approved name for a particular variety of broiler chicken, produced from a cross between the Cornish and White Plymouth Rock chicken breeds, that is served young and immature, weighing no more than two pounds (900 g) ready to cook.
In the United States the name was changed in the early twentieth century to Cornish. A white variant, the White Cornish , was developed there at about the same time, and is much used in modern industrial chicken meat production in many parts of the world, either for cross-breeding to produce hybrid broilers , or to produce fast-growing " game ...
Beginning in the mid-1950s, commercial farms began to use the White Cornish-Rock cross that would come to dominate the chicken industry into the next century. The speedy adoption of the Cornish-Rock saw the decline of the Delaware, though it persisted in some areas into the 1960s. In the twenty-first century it is an endangered breed.