For courses in Nutrition or Whole Animal Biology related to Nutrition in Animal Sciences, Biology, or Zoology departments. Principles of Companion Animal Nutrition, Second Edition, covers basic biological principles and day-to-day practices of pet nutrition in a scientifically accurate, yet easy-to-read, format. Practical applications throughout the text help students make a direct connection between the daily practice of animal nutrition and the underlying biological processes and research that support those practices. Ample illustrations and real-world applications make difficult concepts easy to understand for students and bring to life the role of scientific research in improving the nutrition and health of companion animals.