They are dual purpose breeds excellent for good meat yield and egg production. The Plymouth rock is a large bodied bird that has an almost triangular side profile – their back is long while the breast ...

While chickens aren’t usually considered “large” animals, some breeds are surprisingly big, ranging from towering roosters to plump hens as heavy as a small dog. Whether you’re a seasoned chicken ...

A selective mating approach within the population that started in 1957 has resulted in an over tenfold difference in the size of the chickens. Disclaimer: AAAS and EurekAlert! are not responsible for ...