Incidence of brucella positive slaughtered animals

The present study aimed to find the incidence ofBrucellosis among slaughtered animals at Cairo abattoirby using different serelogical methods and find the suitablemethods for detecting the disease.The serelogical methods are :a- Tube Agglutination test at 37°Cb- Tube agglutination test at 50°Cc- er-c apt o et h ano I testd- Rose Bengal test2492 blood samples were collected during the preiod from1982 till 1983 at Cairo abattoir from cattle (958) buffalo(889) and Sheep (620) •The tube agglutination test at 37°C ,5lioC andRose Bengal test gave similar results with little variationin the titres as follows:In cattle, 22 samples gave positive reaction (2.24 %)wi th titre ranged from 1/40 , to 1/ 320In buffaloes 16 samples gave positive results(1. 8 %) with titres ranged from. 1/40 to 1/640 •