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Comparison of various canine blood-typing methods
Urs Giger1, Knut Stieger, Hanna Palos
1Section of Medical Genetics, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA.
American Journal of Veterinary Research
|September 22, 2005
Summary
The card (CARD) and gel (GEL) tests rapidly identify dog erythrocyte antigen (DEA) 1.1, but the CARD test may show weak reactions for DEA 1.2. The Michigan State University (MSU) test requires Coombs
Area of Science:
- Veterinary Hematology
- Immunology
- Canine Blood Typing
Background:
- Accurate canine blood typing is crucial for safe transfusions.
- Several methods exist for determining dog erythrocyte antigen (DEA) types, including card (CARD), gel (GEL), Michigan State University (MSU), and tube (TUBE) tests.
Purpose of the Study:
- To compare the accuracy and efficiency of CARD, GEL, MSU, and TUBE blood-typing methods in dogs.
- To evaluate the performance of these tests for identifying key canine blood group antigens, particularly DEA 1.1.
Main Methods:
- Blood samples from 23 healthy dogs were tested.
- EDTA-anticoagulated samples were analyzed using each method following manufacturer instructions.
- Agglutination reactions were observed and recorded for specific DEA reagents.
Main Results:
- The CARD and GEL tests showed strong agglutination for DEA 1.1.
- The MSU test required Coombs' reagent for DEA 1.1 identification and showed varied reactions for other antigens.
- The TUBE test identified B and E antigens, with some overlap in reactions for A and DEA 3.
Conclusions:
- The GEL test is a reliable and rapid method for canine DEA 1.1 identification.
- The CARD test is fast for DEA 1.1 but may yield weak results for DEA 1.2.
- The MSU test necessitates Coombs' reagent for accurate DEA 1.1 and 1.2 typing.