What Is the Normal Range of Erythrocytes in Dogs?

Erythrocytes are simply defined as mature red blood cells. Red blood cells are responsible for the transportation of oxygen and carbon dioxide throughout the body. When these cells are too high or too low, problems can arise.

  1. Identification

    • The number of red blood cells is determined by a blood sample in which the packed cell volume (PCV) is measured. This number determines the percentage of whole blood comprised of erythrocytes.

    Average PCV

    • The average PCV for dogs varies depending on size, age and overall health. Most dogs will have a PCV of 37 to 55 percent. This means that 37 to 55 percent of their blood is made of erythrocytes.

    Alternate Method

    • The PCV is the most common erythrocyte test used in veterinary medicine. Actual cell counts may be obtained from a blood sample using an automated cell counter. Cell counts hold no marked advantage over PCV counts, according to "McCurnin's Clinical Textbook for Veterinary Technicians."

    Considerations

    • Too few red blood cells is termed anemia, while too many erythrocytes is called polycythemia. Each of these conditions can cause serious problems for your dog.

    Fun Fact

    • Canines have the largest erythrocytes out of all domestic animals. Their red blood cells measure 7 mm in diameter.