Case 208. Babesia gibsoni in dog blood (Giemsa)

       
  The size of the ring form of B. gibsoni is much smaller than B. microti. Primary infection of B. gibsoni may be fatal to the dog, because of acute hemolysis.  
       

 

  Babesiosis is an important protozoan disorder among domestic and wild animals, including the horse, cow, deer, rat and dog.