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Eight ten-week old calves, seronegative to BHVl,were divided at random into 2 groups of four. One group was infected with the Cooper (IBR) strain, while the other group was treated with the 509/89 (IPV) strain. Their humoral immunologic response to the virus was cross tested using the seroneutralisation (SN) test (with both strains) and an immunoenzymatic (IBR - EIA, Svanova) test. However, allergic...
In calves at the age of 2—3 months experimentally infected with BHV-1 clinical signs, humoral and cellular responses and the intensity of delayed skin hipersensitivity were examined. The examinations were performed from 3 to 56 day post infection, e.g. at early period of infection. It was found that apart from typical clinical signs and humoral response to BHV-1 infection, cellular immune response...
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