This condensed field guide is a handy reference that provides information students and practitioners need to know about common diseases in large animal species. The first section focuses primarily on what has come to be known as a hallmark of the larger text - discussion of clinical signs. This emphasis guides the reader toward accurate diagnosis and treatment based on presenting manifestations. The second section features brief, monograph-like discussions on a variety of common problems. Each specific disorder includes a discussion of assessment, diagnosis, and medical management. Helpful summary tables and an invaluable section on poisoning that includes monographs of toxic plants, animals, metals, and pesticides, industrial toxicants, drug overdose, and feed additives.