This book brings together and discusses information relating to animal production systems in different parts of the world. Throughout this book there are examples of systems comprised of a collection of interdependent and interactive elements that act together to accomplish a desired outcome. As indicated in the Preface, editors sought to give a broad description of existing systems of livestock production in different parts of the world. They discuss some of their important components and try to identify why and how these components have interacted with the systems being described. By...