Blood from DEA 1.1 positive dogs should never be transfused into DEA 1.1 negative dogs. If it is the dog's first transfusion the red cells transfused will have a shortened life due to the formation of alloantibodies to the cells themselves and the animal will forever be sensitized to DEA 1.1 positive blood.
Blood from DEA 1.1 positive dogs should never be transfused into DEA 1.1 negative dogs. If it is the dog's first transfusion, the red blood cells transfused will have a shortened lifespan due to the formation of alloantibodies against the cells and the animal will become permanently sensitized to DEA 1.1 positive blood.