Book excerpt: This book provides in-depth information on the applications of cannabis products as a legitimate medicine in treating a variety of diseases and disorders in domestic animals. Pharmacology and toxicology of cannabinoids and their effects on the endocannabinoid system, which is involved in the regulation of diverse physiological and cognitive processes, are discussed in detail. Furthermore, the book reviews development and testing of cannabis based medical products and introduces the nutritional components of cannabis plants. Cannabis as a therapeutic in veterinary medicine is gaining interest among owners and practitioners. Numerous studies have been completed or are currently underway that analyze the potential of clinical application of cannabinoid and terpenoid molecules. In this book the authors take a comprehensive look at previous studies in animal and human models and discuss translational applications based on these scientific data. This seminal text serves as a go-to resource for veterinary practitioners on cannabinoid therapy. It will also serve as a foundation for clinicians and researchers interested in this emerging field of veterinary medicine.