Expanded coverage of many new and emerging diseases of animals such as West Nile virus and chronic wasting disease. Broadened sections on emergency and critical care. Revised and more comprehensive information about exotic and laboratory animals. updated zoonoses reference table that includes recent zoonoses and new content detailing clinical manifestations in humans. Increased toxicology coverage with six new chapters on frequent causes of poisoning. Reorganized and expanded pharmacology section to improve utility for the practicing veterinarian ...