Handy and rigorous book focused on the main viral infections in poultry farming through a practical and visual approach of the topic, and written by an author highly experienced in the study of these conditions and their management and control in the field. Each disease has been thoroughly reviewed including the most updated information (aetiology, epidemiology, clinical signs, etc.) to facilitate its comprehension by the readers. Besides, specific chapters have been dedicated to the anatomy and necropsy of the broiler. Numerous graphic resources (images, graphs, tables, flow charts) have been included to support the information provided and make the contents understandable and accessible for readers.