You can download Diseases of Poultry 12th Edition by Y. M. Saif, A.M. Fadly, J.R. Glisson, L.R. McDougald, L.K. Nolan and D.E. Swayne free in pdf format.
Now in its Twelfth Edition, Diseases of Poultry continues its tradition of excellence as the definitive reference of poultry disease. Following the same user-friendly format, the book has been thoroughly updated to reflect the most current knowledge of avian pathology, including new coverage of genetic resistance to disease. Coverage is given to both common and uncommon diseases, and chapters are organized by disease type, including viral, bacterial, fungal, parasitic diseases as well as others, such as nutritional, developmental, metabolic, noninfectious diseases and toxins. Each disease section provides detailed coverage of history, etiology, pathobiology, diagnosis, and intervention strategies, as well as the economic and public health significance of each disease. With a host of international authors, Diseases of Poultry is a must-have resource for all veterinary pathologists, practitioners, agricultural managers and industry leaders involved in poultry health and production.