[1] IAEA, Dept Nucl Sci & Applicat, Joint FAO IAEA Div Nucl Tech Food & Agr, Vienna, Austria
[2] Univ Nairobi, Fac Vet Med, Dept Vet Pathol Microbiol & Parasitol, Uthiru, Kenya
[3] UNITID, Nairobi, Kenya
[4] Austrian Agcy Hlth & Food Safety, Inst Vet Dis Control, Modling, Austria