Introduction Chickens are big business. There are far more of them in the world than any other bird – approximately 26 billion in 2008 (don’t ask me who counted them, I certainly didn’t….) They are a large and important source of protein in human diets across the world, both for the meat and for the […]
Introduction Chickens are big business. There are far more of them in the world than any other bird – approximately 26 billion in 2008 (don’t ask me who counted them, I certainly didn’t….) They are a large and important source of protein in human diets across the world, both for the meat and for the […]