Experimental single and trickle infections of cattle with Taenia saginata: Studies of immunodiagnosis

H.O. Bøgh, J. Grønvold, G.E. Maeda, P. Nansen, Peter Lind, B. Ilsøe, S.A. Henriksen, S. Geerts

    Research output: Contribution to journalJournal articleResearchpeer-review


    Two groups of 12 calves were given either a single infection dose of 30,000 Taenia saginata eggs (group A) or trickle infected with 12 x 2500 T saginata eggs (group B). The calves were killed 16, 22 or 54 weeks after infection and the numbers of viable and dead parasites were counted by slicing selected organs and muscles of half of the carcases. The total numbers of cysts and the numbers of viable cysts were higher in group A than in group B. Within the two groups there were no significant differences between the numbers of cysts at the three dates of slaughter. Comparable results were obtained by using an ELISA and a dot blot procedure for the detection of antibody in the serum of the infected calves; an initial increase in response during the first 10 weeks after infection was generally followed by a gradual decline. When using a monoclonal antibody-based ELISA for the detection of circulating antigens, the sera from all the 14 animals which had no viable cysts or only dead cysts at slaughter did not react with the monoclonal antibodies. Calves 122 and 123, which harboured two and 122 viable cysts, respectively, reacted positively during the late phase of the infection to the antigen-detecting ELISA. However, several other animals which harboured between two and 41 viable cysts at slaughter did not react.
    Original languageEnglish
    JournalResearch in Veterinary Science
    Issue number1
    Pages (from-to)64-68
    Publication statusPublished - 1996


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