1 ml of plasma from a purple top tube (EDTA) from all species (no primates or avian); shipped frozen overnight from Monday to Thursday. Collect blood and place it in an EDTA blood tube. Centrifuge within 1 hour of collection, remove the plasma and place 1 ml in an additive free plastic tube. Place the tube in a secondary container with water, freeze the sample in the container filled with water. Ship frozen overnight from Monday to Thursday.