Studies on the non-specieic reactions of tuberculin in buffaloes

A tot.ll, of 36 buff 3l0es were tuberculin tested· with hum~ bovine, 3nd av-i.Gn tubercu11ns as well \la sensitin P.P.D. ’prep sr.-ed from rapid growing atypical mycobooteria 25oases re~ted positively to both bovinel avian comptlrative testd human/avian comparative test, 6 cases reccted posi-tively to sensitin P.P.D. 2) Skin biopsis were taken from 22 tuberculin test~d buff .u.oes t tested with v ari ous tuberculins. Histop $hol~gic s.1 . ex ~in :ltiion rave al.ed that tuberculins re actions inbuffaloes isazypical del~ed. hypersensitivity., 3) BloOd. ssmples from 6 tuberculin positive buffaloes and 2 tuberculin negative cases were tested by !a vitrolymphocyte transformation test.Al.l cases ge positive tuberculin 1’eaction showed in vitro reQCtivity to the bovine P.P.D. tuberculin.