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  • Title: Diagnosis of enzootic bovine leukosis: a comparison of haematological and immunodiffusion tests.
    Author: Straub OC.
    Journal: Res Vet Sci; 1978 Jul; 25(1):13-5. PubMed ID: 100837.
    Abstract:
    A total of 657 cattle from three different herds were tested for the presence of specific antibodies against EBL antigens by means of the immunodiffusion test and the results compared with the classification according to the lymphocyte counts. All animals with pathologically raised lymphocyte counts showed a positive immunodiffusion test reaction. In the majority of these both antigens, 'p24' and 'gp', gave positive results; in a smaller number antibodies against the gp antigen only were detected, but never against the p24 antigen only. It is concluded that for field testing programmes the use of the gp antigen is sufficient. In future experiments, however, both antigens should be employed, because the lack of one of them might perhaps prove to be correlated with the future course of the disease. The absence of specific antibodies, together with a normal number of lymphocytes, in young animals should, however, not lead to the conclusion that they are free of the disease.
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