Red Rock chicken
Red Rock chicken,the only chicken still popular to any large extent in the United States today for both meat and eggs. It resulted from a cross between a Rhode Island RedRhode Island Red chicken,
American breed of poultry, no longer raised commercially, but still maintained for use in breeding programs. See Red Rock chicken.
..... Click the link for more information. male and a Plymouth RockPlymouth Rock chicken,
one of the most popular early breeds of poultry. The Barred Plymouth Rock was a favorite farm chicken since it was both a good egg producer and also developed a large quantity of meat. As the demand for white eggs increased, the breed lost popularity.
..... Click the link for more information. female. The breed recently acquired new value when it was discovered that the sex of the day-old chicks could be determined by the differences in the color of their down. The variety is raised primarily in New England.
The Columbia Electronic Encyclopedia™ Copyright © 2013, Columbia University Press. Licensed from Columbia University Press. All rights reserved. www.cc.columbia.edu/cu/cup/