Serological Relationship of Anaplasma Marginale And Anaplasma Centrale As Measured By The Complement-Fixation and Capillary Tube Agglutination Tests

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1967
Authors
Kuttler, L. K.
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SUMMARY. Complement-fixation antigens were prepared from Anaplasma marginale (EAM) and Anaplasma centrale (EAC), of African origin, and compared with A. marginale antigenofu.s. origin (USDA). These antigens have been used to test 55 unknown sera at el I: 5 dilution and to titrate 37 sera from known A. marginale and A. centrale infections. At I: 5 serum dilutions, differences between reactions to these 3 antigens are minimal, regardless of whether sera are from A. centrale or A. marginale infections. On serum titrations, significantly higher titres were obtained with the homologous antigen. Undiluted serum from animals with A. centrale as well as A. marginale infections produced positive agglutination in the capillary tube agglutination test, using A. marginale Antigen.
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Veterinary Research, 8 (2), p. 207-211