Some Serological Studies For Early Diagnosis of Corynebacterium Pseudotuberculosis) Ovis/)

164 serum samples WBre eollected samples from experimentally infected sheeps, 10 sample~ from naturally infected ones, 50 samples from elincally healthy sheep and 50 samples from noninfected Slaughtered sheep. Such serum samples were tested for the presenShowed that the modified method showed different and titres of toxin by using therabbit-skin sensi tivit serum neutralization -cest, which varied from ~ to~ or 20-640 mir:imal reacting dose (MR.D) per ml. Production of C. ovis toxin by this method was car