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Maedi/visna: a review.

M Dawson

    The Veterinary Record
    |March 8, 1980
    PubMed
    Summary
    This summary is machine-generated.

    Maedi/visna, a slow, persistent ovine lentiviral infection, is detailed, covering its history, clinical signs, diagnosis, and pathogenesis. Control strategies for this economically significant sheep disease are also discussed.

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    Area of Science:

    • Veterinary Medicine
    • Infectious Diseases
    • Ovine Pathology

    Background:

    • Maedi/visna is a chronic, progressive disease affecting sheep, caused by a lentivirus.
    • The infection is characterized by slow onset and persistent nature, leading to significant economic losses in sheep farming.

    Purpose of the Study:

    • To provide a comprehensive overview of maedi/visna, including its historical context.
    • To describe the clinical manifestations, diagnostic approaches, and pathogenetic mechanisms.
    • To outline epidemiological patterns and potential control measures for maedi/visna.

    Main Methods:

    • Review of historical records and clinical observations.
    • Analysis of experimental studies investigating the pathogenesis of maedi/visna.
    • Epidemiological data compilation and assessment of control strategies.

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    Main Results:

    • Detailed description of the clinical signs and diagnostic criteria for maedi/visna.
    • Insights into the slow and persistent nature of the infection, characteristic of lentiviral diseases.
    • Identification of key epidemiological factors influencing disease spread.

    Conclusions:

    • Maedi/visna presents a complex challenge in sheep health management.
    • Understanding its pathogenesis and epidemiology is crucial for effective control.
    • Integrated strategies are necessary for managing and potentially eradicating maedi/visna.