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Related Experiment Videos

Sarcoptic manage in wildlife.

D B Pence1, E Ueckermann

  • 1Department of Pathology, Texas Tech University Health Sciences Center, 3601 4th Street, Lubbock, Texas 79430, USA.

Revue Scientifique Et Technique (International Office of Epizootics)
|April 27, 2002
PubMed
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Sarcoptic mange, caused by Sarcoptes scabiei, impacts wildlife globally. While generally not affecting long-term population dynamics in stable groups, mange can be devastating for endangered species, necessitating targeted treatment.

Area of Science:

  • Veterinary Dermatology
  • Wildlife Ecology
  • Parasitology

Background:

  • Sarcoptic mange, caused by the mite Sarcoptes scabiei, is a significant epizootic disease affecting diverse wild animal populations worldwide.
  • While often non-compensatory in self-sustaining populations, mange epizootics can critically impact remnant or fragmented populations of threatened and endangered species.

Purpose of the Study:

  • To investigate the pathogenesis and clinical manifestations of sarcoptic mange in various wildlife species.
  • To understand the differential effects of mange based on host immune status and its implications for population dynamics.

Main Methods:

  • Review of existing literature on sarcoptic mange in wildlife.
  • Analysis of host immune responses (hypersensitivity reactions) and their correlation with mite burden and clinical signs.

Related Experiment Videos

  • Examination of pathological changes in the skin of affected animals.

    • Main Results:

    • Pathogenesis and symptoms vary with host immunity: immunocompetent hosts develop hypersensitivity leading to mite reduction but severe skin changes (thickening, alopecia), while naive/immunocompromised hosts exhibit hyperkeratosis with abundant mites.
    • Mange epizootics typically do not alter long-term population dynamics in stable populations.
    • Significant negative consequences for CITES-listed, threatened, or endangered species due to critical individual loss.

    Conclusions:

    • Host immune status is a key determinant of sarcoptic mange presentation and severity.
    • Intervention and treatment may be crucial for the survival of small, vulnerable wildlife populations affected by mange.