The internment of Japanese-Americans caused a shortage in specialized workers able to determine the sex of these animals.  
Brands of these things are marketed under names like the Hubbard Flex and the Cobb 500.  In 1951, Charles Vantress won $5,000 in a nationwide contest to find one of these things "of tomorrow" that was bred from New Hampshire and California Cornish parents.  Cornell professor Robert C. Baker has been dubbed the George Washington Carver of these things in part because he invented a machine to (*) debone them.  The internment of Japanese-Americans caused a shortage in specialized workers able to determine the sex of these animals.  American automotive manufactures are protected by a 25% tariff on foreign trucks named for these animals.  These animals once appeared in the name of a Yum! Brands franchise founded in Corbin, Kentucky which had great success with the Bucket Deal.  For 10 points, name these birds which maybe constitute the meat in your McNuggets.
Brands of these things are marketed under names like the Hubbard Flex and the Cobb 500.  
chickens [or roosters or buffalo wings or chicken wings or fried chicken; accept McNuggets until mentioned; prompt on poultry]