<P>A clinician and a pathologist collaborate to create a comprehensive yet practical book about established infectious diseases of horses, categorised according to the different pathogens. The book evaluates the latest diagnostic aids, including rapid developments in molecular biology, while emphasising that they are no substitute for clinical observation and skills. The majority of equine infectious diseases caused by microbes and parasites are covered - bacterial, viral, protozoan, fungal, ectoparasitic and helminthic. Practical appendices contain a list of differential diagnoses based on clinical signs to support clinical decision-making, a list of zoonoses and reportable diseases, and an elaborate illustrated appendix on clinical pathology and haematology.</P><P>Thoroughly updated a decade after the release of the original text, the book continues to be concise and easy to understand and remains an important resource for uncommon conditions. It adds new sections on pythiosis, equin