[Intravital diagnosis of saginata cysticercosis of cattle by means of the immunofluorescent antibody reaction].

Investigations in intravital diagnostics of fin infestation in cattle were performed in 3 month aged cattle experimentally infected by different doses of Taeniarhynchus-saginatus-eggs by means of immunofluorescent antibody technique using a standardized antigen. Regardless of the amount of the infection dose these occured already 2 weeks after infection positive antibody values of at least 1:40 reaching the maximum value of 1:640 4-6 weeks after infection (in cases of strong fin infestation) and 1:160, respectively (in cases of low fin infestation) and remaining positively up to the termination of experiments (23 and 18 weeks, respectively post infectionem). Negative reactions were not observed. With regard to the economy this method is superior to other immundiagnostical procedures hitherto used with success in detection of Cysticercus bovis.