See- that is great!!!! and highly unusual. most breeders think it is too expensive.
I have been trying to get someone to come out and test my birds but haven't had any luck. You need 1/2 cc of blood per chicken and I guess the pullorium test only needs one of those tiny capillary tubes? So the Pullorium testers don't feel experienced enough to do a real blood draw.
If they are certified to test with the antigen they can certainly poke the same vessel under the wing and draw blood. It's pretty much the exact same thing, but with more blood taken out. It's just harder to get enough blood. Suckers heal up pretty quick! The biggest thing is sending it in. There is a cost per bird for each sample tested.