[Anti-P1 production in the blood of Columba domestica].
After intravenous immunization of six rabbits with washed red cells from a pigeon (columba domestica), anti-P1 of very good quality was obtained after 8-12 injections. The sera indicate human blood cells of type P1 equally well as do anti-P1 of goat (immunized with echinococci cyst fluid).