The present book is a work that comprises an apparatus of several works by renowned authors, seeking to present a practical approach to the performance of the blood count in dogs, emphasising the main techniques used, in addition to themes inherent to interpretation, in order to assist the veterinarian in performing it. In addition, a photographic and illustrative collection of the author himself is available, which will provide the reader with a greater understanding of the changes observed in the blood count. Enjoy!