[1] State Cent Vet Lab, Post Box 53-03, Ulaanbaatar 17024, Mongolia
[2] Austrian Agcy Hlth & Food Safety, Inst Vet Dis Control, Modling, Austria
[3] IAEA, Anim Prod & Hlth Lab, IAEA Div Nucl Techn Food & Agr, Joint FAO,Dept Nucl Sci & Applicat, Wagramer Str 5,POB 100, A-1400 Vienna, Austria
[4] IAEA, APHL Joint FAO IAEA Div, A-2444 Seibersdorf, Austria