In this book you will find valuable information on the different types of anemia found in 615 Ehrlichia canis spp positive dogs over a period of six months. The results of the erythrocyte indices were obtained from a type V hemogram using the Vetscan HM5 hematology equipment of the zoetis brand.All ehrlichia-positive canines were entered into the study by means of the Uranotest ehrlichia-anaplasma test.