Egg farming business in Nigeria has continually attracts new entrants to meet up with the increasing demand for eggs as a cheap source of animal protein. The poser to everyone is, is egg farming enterprise profitable in Nigeria? Or are the farmers just making sales? This work investigates the performance of egg farming business in Nigeria using costs and returns analysis and physical efficiency measures. The salient factors affecting egg farming business in the country were also identified. Professional egg farmers and students will find the work an interesting guide.