IMMUNIZATION OF YOUNG BOVINE CALVES AGAINST BOVINE TROPICAL THEILERIOSIS DURING INCUBATION STAGE OF INFECTION BY INFECTION AND TREATMENT METHOD USING BUPARVAQUONE

The present investigation was planned to study the effect of infection and treatment method of immunization against bovine tropical theileri osis in young bovine calves during incubation stage of infection. Elev en calves allocated to groups A, B, C and D were used. The calves of g roup A were immunized during incubation stage of infection and rest of the groups served as various controls. Immunization of calves during incubation stage of infection did not have any adverse effect. All the immunized calves underwent mild theileriosis and withstood the lethal challenge on day 21 of immunization. whereas all the controls died of acute theileriosis.