You can download Veterinary Medicine 10th Edition A textbook of the diseases of cattle, horses, sheep, pigs and goats by Otto Radostits, Clive Gay, Kenneth Hinchcliff and Peter Constable free in pdf format.
The new 10th edition of this well-respected reference includes thoroughly revised and reviewed information with content on new diseases for the most up-to-date information on diseases effecting sheep, pigs, goats, horses, and cattle. Divided into two sections, General Medicine and Special Medicine, the book covers topics ranging from the clinical examination and manifestation of disease in organ systems to specific diseases of the large animal species. This is a very good book. It is thorough in its scope and strikes a good balance between providing pertinent information in a concise manner and providing sufficient detail on physiology and pathogenesis to provide readers a proper understanding of the subject.