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- Title
Babesia gibsoni Infection in a Dog from Indiana.
- Authors
Irizarry-Rovira, Armando R.; Stephens, Julie; Christian, John; Kjemtrup, Anne; DeNicola, Dennis B.; Widmer, William R.; Conrad, Patricia A.
- Abstract
A 10-year-old spayed female mixed-breed dog was presented to the Purdue University Veterinary Teaching Hospital (PUVTH) with complaints of persistent anemia with occasional exacerbations, anorexia, and lethargy. The dog had been presented to the referring veterinarian 2 months prior with multiple bite wounds received during a fight with 3 Pit Bull Terriers. The dog was discharged after the wounds were cleaned and surgically closed. Upon admission to the PUVTH, blood was collected for a complete blood count and biochemical analysis. Microscopic examination of peripheral blood smears revealed intraerythrocytic protozoal parasites consistent with Babesia gibsoni. Molecular analysis confirmed that the organism was B gibsoni and that its 18S ribosomal RNA sequence was identical to that of other B gibsoni isolates from Oklahoma, North Carolina, and Okinawa, Japan. Hematologic changes included moderately severe, regenerative, macrocytic, normochromic anemia, with poikilocytosis, polychromasia, anisocytosis, and a marked increase in nucleated RBCs. Biochemical changes included increased serum alanine aminotransferase, alkaline phosphatase, and gamma glutamyl-transferase activities. The dog was treated with imidocarb, but despite initial clinical improvement, the dog died 2 weeks after the first dose. A necropsy was not performed. The infection in this dog is the first reported case of B gibsoni infection in Indiana. Because of the widespread geographical distribution of the organism, veterinarians and veterinary clinical pathologists throughout the United States should carefully examine Romanowsky-stained blood smears from patients with acute hemolytic anemia for small intraerythrocytic babesial parasites.
- Publication
Veterinary Clinical Pathology, 2001, Vol 30, Issue 4, p180
- ISSN
0275-6382
- Publication type
Article
- DOI
10.1111/j.1939-165X.2001.tb00429.x