Responses of cattle to allergens from Boophilus microplus |
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Authors: | P Willadsen P G Williams J A Roberts J D Kerr |
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Affiliation: | CSIRO, Division of Animal Health, Long Pocket Laboratories, Private Bag No. 3, P.O., Indooroopilly, Queensland, Australia 4068 |
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Abstract: | Extracts of larvae of the cattle tick, Boophilus microplus, contain two allergens giving immediate hypersensitivity reactions in the skin of cattle which have been exposed to the tick. The partial purification of one of these is described. This, together with the other allergen whose purification has been described previously, was used to investigate the relationships between tick resistance, immediate hypersensitivity reactions, reaginic antibody levels as measured by Prausnitz-Küstner type reactions and serum levels of agglutinating antibody to one of the allergens. There were significant correlations between resistance and both the immediate hypersensitivity reactions and agglutinating antibody levels. |
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Keywords: | allergen antibody immediate hypersensitivity Prausnitz-Küstner tick |
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