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Related Experiment Video

Updated: Feb 6, 2026

Milk Collection in the Rat Using Capillary Tubes and Estimation of Milk Fat Content by Creamatocrit
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MILK AS A SUBSTITUTE FOR SERUM IN DIAGNOSIS OF TOXOPLASMOSIS IN GOATS.

Marwa M Attia, M F Saad, Ayah B Abdel-Salam

    Journal of the Egyptian Society of Parasitology
    |August 30, 2018
    PubMed
    Summary

    This study highlights milk testing

    Area of Science:

    • Veterinary Parasitology
    • Immunodiagnostics
    • Goat Health

    Background:

    • Toxoplasmosis, caused by *Toxoplasma gondii*, is a significant parasitic disease affecting goats.
    • Accurate diagnostic methods are crucial for managing toxoplasmosis in goat populations.
    • Previous diagnostic approaches often relied on serum analysis, with limited exploration of milk as a diagnostic medium.

    Purpose of the Study:

    • To evaluate the efficacy of milk versus serum for diagnosing *Toxoplasma gondii* infection in goats.
    • To compare the diagnostic performance of ELISA and Modified Agglutination Test (MAT) in detecting anti-*T. gondii* antibodies (ATAb).
    • To assess the prevalence and influencing factors of toxoplasmosis in Egyptian goats.

    Main Methods:

    • Enzyme-Linked Immunosorbent Assay (ELISA) and Modified Agglutination Test (MAT) were employed.

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  • Both serum and milk samples from 600 grazing goats were analyzed for the presence of ATAb.
  • Statistical analysis was used to compare diagnostic sensitivities, specificities, and prevalence rates across different breeds, ages, locations, and seasons.

    • Main Results:

    • ELISA demonstrated higher specificity (92%) and sensitivity (85%) compared to MAT (90% & 80%) for ATAb detection.
    • Milk analysis showed slightly lower infection prevalence (20% & 18%) than serum analysis (22% & 20%).
    • Seasonal variations, breed (Egyptian Baladi vs. Barki), age (>2 years old), and geographical location (Qalyoubia vs. Giza) significantly influenced infection rates. Goats with a history of abortion showed higher infection prevalence.

    Conclusions:

    • Milk testing is a viable alternative to serum testing for diagnosing toxoplasmosis in goats, especially when considering herd health management.
    • ELISA is a more sensitive and specific diagnostic tool for detecting *T. gondii* antibodies in goats.
    • Understanding epidemiological factors is essential for effective control and prevention strategies against toxoplasmosis in goat populations.