Behavior is a significant indicator of health in animals and understanding behavior is the key to good management. Animal behavior and animal welfare science are fast becoming core topics in the curricula of agriculture and veterinary students. The eagerly awaited fourth edition of "Farm Animal Behaviour and Welfare" builds on the coverage of the previous edition, fully updating it to take into account developments over the last 10 years. This new edition covers companion animals, as well as farm animal species including farmed fish. It is an indispensible textbook covering the major and growing areas in agricultural and veterinary science and practice.