Abstract
The characterization of the blood groups, antibody profiles, and its distribution pattern among different horse breeds and geographic locations, can be very useful in life-threatening situations where a blood transfusion is needed, and compatibility tests are not readily available. This study estimated the distribution of blood types and antibody profiles in Straight Egyptian Arabian horses from Qatar. A total of 20 Straight Egyptian Arabian horses, from multiple origins and genetic background were included. Venous blood from each horse was typed and screened for anti-red blood cell (RBC) hemolytic and agglutinating antibodies. Descriptive statistical analysis and Fisher Exact test were applied, considering 95% confidence interval (95% CI). All included horses (100%) had Aa and Ca blood types (95% CI: 83.2%-100.0%). Other blood types found less frequently included Ua (50%), Qc (45%), Pa (40%), Qb (25%) and Qa (5%). Only horses withtravel history developed anti-RBC antibodies (6 out of 9), however, no horse carried more than one type of anti-RBC antibodies, supporting the premise that environmental factors may influence the development of alloantibodies. Although pre-transfusion testing regardless the circumstances should be prioritized, even considering a small population of horses, our findings suggest that Straight Egyptian Arabian horses in Qatar could be safely used as blood donors, due to the apparent omnivalence of Aa and Ca blood types and lower incidence of alloantibodies, important in emergency situations where pre-transfusion testing is unavailable.
Published Version
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