Seroimmunological and parasitological surveys of leucocytozoon caulleryi infection in chickens in several asian countries |
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Authors: | T Morii T Shiihara YC Lee MF Manuel K Nakamura T Iijima K Hoji |
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Institution: | 1. Department of Parasitology, School of Medicine, Kyorin University, Mitaka, Tokyo 181, Japan;2. Shizuoka Prefectural Poultry Experimental Station, Kakegawa, Shizuoka 436-02, Japan;3. Department of Veterinary Medicine, College of Agriculture, National Taiwan University, Taipei, Taiwan;4. Department of Veterinary Parasitology and Protozoology, College of Veterinary Medicine, University of the Philippines, Diliman, Quezon, Philippines;5. Overseas Department of Daiichi Seiyaku Co., Ltd., Tokyo 103, Japan;6. Research Institute of Daiichi Seiyaku Co., Ltd., Edogawa, Tokyo 132, Japan |
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Abstract: | Epizootiological surveys of Leucocytozoon caulleryi infection in chickens in Japan, Taiwan, Philippines, Singapore, Malaysia and Thailand were undertaken by means of the immunodiffusion test. The rate of infection of L. caulleryi confirmed by the examination of parasites in the peripheral blood of chickens coincided with that of positive antibody response in the immunodiffusion test. Antibodies against L. caulleryi were found in chickens in all the countries surveyed in the present investigation. The prevalence of L. caulleryi infection in chickens was confirmed by the immunodiffusion test. Several chickens in each country showed the presence of serum antigens of L. caulleryi at the times of serum sample collection. These results seemed to indicate that the immunodiffusion test is a method efficient enough to be applicable to the epizootiological surveys and diagnosis of L. caulleryi infection in chickens in the field. As a result, the antibodies or soluble antigens in the sera of chickens infected with L. caulleryi present, respectively, in each country may have the same immunological characters. |
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Keywords: | leucocytozoonosis antibody soluble antigens serum antigens immunodiffusion test chicken |
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