Attenuated vaccine for bovine theileriosis

摘要

PURPOSE: An attenuated vaccine prepared by isolating a Theileria sergenti Sungwhan stock from Haemaphysalis longicornis and then attenuating it is provided. The vaccine has recognizable specific protection property and thus can be effectively used in the prevention of bovine theileriosis. CONSTITUTION: An attenuated vaccine is prepared by the steps of: recovering Haemaphysalis longicornis imagoes from bovines infected with theileriosis; infecting a rabbit with the Haemaphysalis longicornis imagoes for 6 to 7 days; and aseptically collecting salivary gland from the collected Haemaphysalis longicornis imagoes. The vaccine is formed into an injectable formulation.