A completely revised and updated edition of the best-selling classic reference by America's leading chicken authority. Healthy chickens are happy chickens. This one-of-a-kind reference book covers the health problems that plague chickens of all breeds and ages. Practical charts identify common symptoms and causes of infection, while an alphabetic listing of diseases provides advice on treatment. You’ll find helpful descriptions of troublesome ailments of all types, from poor egg production to crooked toe syndrome. Practical remedies and gentle preventative care measures will help your beloved flock stay happy, healthy, and safe.