Advanced diagnostic tools used for determination of the definite cause of anemia in dogs. A: in-clinic rapid antigen test kit showing positive infection with parvovirus in two months old Golden Retriever puppy. B: Toxocara canis infection (ova) in four months old mixed breed puppy (4 X). C: ultrasonographic view showing hyperechogenic hepatic mass (lymphosarcoma) in five years old German shepherd dog (arrow). D: ultrasonographic view showing hyperechoic hepatic tissue (arrow) due to chronic hepatitis in three years old Golden Retriever bitch.