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Related Experiment Videos

Control of headfly on sheep

N French, A J Wright, W R Wilson

    The Veterinary Record
    |January 15, 1977
    PubMed
    Summary

    Sheep experienced irritation from headflies between 1973-1975. Headcaps provided effective protection against these pests, significantly reducing irritation.

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    Area of Science:

    • Veterinary Entomology
    • Agricultural Science

    Background:

    • Sheep farming in Northumberland faced seasonal irritation from headflies.
    • The pest's population dynamics influenced the severity of irritation annually.

    Purpose of the Study:

    • To assess the impact of headfly populations on sheep.
    • To evaluate the efficacy of various fly repellent applications.

    Main Methods:

    • Monitoring headfly populations using sweep nets from 1973 to 1975.
    • Observing the pattern of fly attacks on sheep.
    • Testing the effectiveness of different repellent applications, including headcaps.

    Main Results:

    • Headfly populations peaked in late June and declined sharply in early August in 1973 and 1975.
    • In 1974, high headfly numbers persisted until mid-September.
    • Headcaps demonstrated significant effectiveness, offering good to complete protection for sheep.

    Conclusions:

    • Headfly activity and subsequent sheep irritation followed predictable seasonal patterns.
    • Headcaps are a highly effective method for protecting sheep from headfly irritation.

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