Twenty breeds are reported to DAD-IS by the United States.
[2] Eight of them are recognised by the American Poultry Association in its breed standard, the American Standard of Perfection, where however they are classified as "varieties" rather than as breeds.
[citation needed] This may be because the original genotype for domestic turkeys was for Bronze, and all other color varieties are due to mutations from it.
[citation needed] Twelve breeds are recognized by the Entente Européenne d'Aviculture et de Cuniculture.
[5] Others with breed standards of European national associations are accepted.