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==Alloantibodies==
==Alloantibodies==
Unlike [[Blood Groups - Cat|cats]] dogs do not have natural alloantibodies against other blood groups unless a transfusion has been performed.
Unlike [[Blood Groups - Cat|cats]] dogs do not have natural alloantibodies against other blood groups unless a transfusion has been performed.
There is no major risk for the first transfusion and consequently unlike the cat compatibility tests are not required for the dogs first bllod transfusion.
There is no major risk for the first transfusion and unlike the cat compatibility tests are not required for the dogs first blood transfusion.
Alloantibodies form within 5-7 days of the first transfusion and if a second tranfusion is required 5 days later than the original transfusion compatibility tests are required.
Alloantibodies form within 5-7 days of the first transfusion and consequently if a second tranfusion is required 5 days later than the original transfusion compatibility tests are required.
Blood typing can be carried out using in house kits or can be sent away to a reference laboratory.
Blood typing can be carried out using in house kits or can be sent away to a reference laboratory.
DEA 1.1 and DEA 1.2 are the most antigenic and hence ideally a donor would be DEA 1.1 and DEA 1.2 negative.
DEA 1.1 and DEA 1.2 are the most antigenic and hence ideally a donor would be DEA 1.1 and DEA 1.2 negative.
Dogs can be positve for one of DEA 1.1 or DEA 1.2 or negative for both DEA 1.1 and 1.2.
Transfusion reactions can occur when DEA 1.1 and 1.2 negative dogs recieve DEA 1.1 or 1.2 positive blood.
Transfusion reactions can occur when DEA 1.1 and 1.2 negative dogs recieve DEA 1.1 or 1.2 positive blood.
[[Neonatal Isoerythrolysis|Neonatal isoerythrolysis]] can also occur in dogs. This happens when a DEA 1 negative female which has previosuly been sensitised to DEA 1 positive blood is mated to a DEA 1.1 positive male.
[[Neonatal Isoerythrolysis|Neonatal isoerythrolysis]] can also occur in dogs. This happens when a DEA 1.1 negative female which has previosuly been sensitised to DEA 1.1 positive blood is mated to a DEA 1.1 positive male.
[[Category:Transfusion Medicine]]
[[Category:Transfusion Medicine]]