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[Immunologic skin tests in piglets].

J Raszyk, J Pillich

    Veterinarni Medicina
    |May 1, 1989
    PubMed
    Summary
    This summary is machine-generated.

    This study evaluated immunological skin tests in piglets, finding phytohemagglutinin best for cellular immunity and staphylococcus lysate for delayed hypersensitivity. Histamine aids in assessing allergic disease predisposition in piglets.

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    Area of Science:

    • Veterinary Immunology
    • Dermatology
    • Allergy Research

    Context:

    • Assessing immunological responses in weanling piglets is crucial for understanding disease susceptibility and developing effective health management strategies.
    • Previous research has not comprehensively evaluated a range of immunological skin tests for their efficacy in piglets.

    Purpose:

    • To evaluate the effectiveness of various immunological skin tests for assessing immediate and delayed hypersensitivity, cellular immunity, and non-specific inflammatory responses in piglets.
    • To determine the optimal antigens and methods for immunological testing in a porcine model.

    Summary:

    • Immunological skin tests were performed on 213 piglets using diagnostic allergens, staphylococcus lysate, phytohemagglutinin, common recall antigens (tuberculin, toxoplasmin, candidic, tetanic), and sodium lauryl sulphate.

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  • Phytohemagglutinin demonstrated strong efficacy (93% positive response at 24 hours) for evaluating cellular immunity.
  • Staphylococcus lysate was effective for delayed hypersensitivity (13% positive response at 24 hours), while histamine (13 mm papule) indicated allergic disease disposition. Diagnostic allergens showed varied responses, with moderate reactions in 22% to bacterial antigens.
  • Common recall antigens and sodium lauryl sulphate showed limited or no significant inflammatory responses.

    • Impact:

    • The findings provide a basis for selecting appropriate immunological tests in piglets, aiding in the diagnosis and management of immune-related conditions.
    • This research contributes to the development of more accurate diagnostic tools for swine immunology, potentially improving animal welfare and agricultural productivity.