The world's largest chicken breeder has discovered that a key breed of rooster has a genetic issue that is reducing its fertility, adding to problems constraining U.S. poultry production and raising ...

(Reuters) - The world's largest chicken breeder has discovered that a key breed of rooster has a genetic issue that is reducing its fertility, adding to problems constraining U.S. poultry production ...

Learn about the Jersey Giant chicken breed, including its history, size, temperament, egg production, and why it remains a ...

Ross roosters are no longer cock of the walk in US The world's largest chicken breeder has discovered that a key breed of rooster has a genetic issue that is reducing its fertility The world's largest ...