Don Schrider delves into chicken breeds, crossbreeding and explains how sexlink chickens produce dependable gender offspring for retail locations to sell. He includes a good history of breeds and crossbreds to expand your chicken knowledge if you are unfamiliar with commercial or backyard chicken production. His information is useful for veterinary teams and retailers alike.
Source: Backyard Poultry, March 14, 2019. Link. Because sexlink chickens do not produce offspring that look and produce as well as they themselves do, they are not breeds. They simply do not fit the definition of a breed. Refer to these hybrid chickens as a “kind” or a “type” of chicken.