Seroprevalence of Toxoplasma gondii infection in goats and sheep in Zimbabwe

T. Hove, Peter Lind, S. Mukaratirwa

    Research output: Contribution to journalJournal articleResearchpeer-review

    Abstract

    Seroprevalence rates of Toxoplasma gondii anti-antibodies in adult goats and sheep from different parts of Zimbabwe were determined. A total of 225 (67.9 %) of the 335 serum samples tested were positive for anti-T. gondii IgG antibodies with the indirect fluorescent antibody test. There were differences in antibody seroprevalences among communal land goats from the different agro-ecological zones (Natural regions IIb and III: 80 and 96.7%, respectively; Natural region IV: 65.9%; Natural region V: 45%; and Natural region III had a significantly higher seroprevalence than IV and V. The highest seroprevalences found in Natural regions IIb and III are likely to be linked to the existence of more households and hence the possibility of a higher concentration of domestic cats that increases the chances of environmental contamination with their faeces harbouring T. gondii oocysts. The seroprevalence rate in sheep from a large commercial farm (10%) was significantly lower than that of sheep reared under the communal grazing system (80%). Overall, significantly higher proportions of seropositive animals had antibody titres of 1:50 (34.2% of 225) and 1:100 (44% of 225) as compared to the 9.8% and 12% with antibody titres of 1:200 and >= 1:400, respectively.
    Original languageEnglish
    JournalOnderstepoort Journal of Veterinary Research
    Volume72
    Issue number4
    Pages (from-to)267-272
    ISSN0030-2465
    Publication statusPublished - 2005

    Keywords

    • goats
    • public health implications
    • Toxoplasma gondii
    • sheep
    • IFAT
    • IgG antibodies
    • Zimbabwe

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