Livestock production in Third World countries continues to fall short of its potential, and the major reason for poor animal productivity is the seasonal inadequacy of the quantity and quality of feed available. A new book provides one of the most comprehensive attempts to assess what is available locally and match these feed resources to prevailing livestock systems. The two authors are pioneers in evaluating and optimizing the use of animal feeds in the tropics and sub-tropics and were invited by the International Livestock Centre for Africa (ILCA) to present a series of lectures on these topics. Subsequently the authors expanded their lectures into this book, for which Dr Peter Brumby, the former Director-General of ILCA, has written...