Mr Gates said: "These chickens are multiplying on an ongoing basis so there's no investment that has a return percentage anything like being able to breed chick

Mr Gates said: "These chickens are multiplying on an ongoing basis so there's no investment that has a return percentage anything like being able to breed chickens." http://www.bbc.com/news/world-africa-36487536 http://www.bbc.com/news/world-africa-36487536