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Breeding and companies

The dominant commercial breed is the Broad-Breasted Whites (similar to the "White Holland", but a separate breed), which have been selected for size and amount of meat. Mature toms are too large to achieve natural fertilization without injuring the hens, so their semen is collected, and hens are inseminated artificially. Several hens can be inseminated from each collection, so fewer toms are needed. The eggs of some turkey breeds are able to develop without fertilization, in a process called parthenogenesis. Breeders' meat is too tough for roasting, and is mostly used to make processed meats.