 Selection of animals was focused on red coat colour (sorrel) and milk production.The Nicaraguan government started an official inventory in the 1970s and in 1988 the Reyna cattle were declared as national patrimony, and in conjunction with the National Agrarian University of Nicaragua (Universidad Nacional Agraria) (UNA) agreed to a genetic improvement program of the cattle.The purebred Reyna Creole cattle population in Nicaragua consists of about 650 purebred females, including calves, heifers and cows distributed in five herds.