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Turkey sinusitis: synergism between Mycoplasma synoviae and Mycoplasma meleagridis

K R Rhoades

    Avian Diseases
    |October 1, 1977
    PubMed

    Insights

    Experimental sinusitis in turkeys was caused by co-infection with Mycoplasma synoviae and Mycoplasma meleagridis. These mycoplasmas showed pathogenic synergism, as single infections did not cause sinusitis.

    Area of Science:

    • Veterinary Pathology
    • Avian Diseases
    • Microbiology

    Background:

    • Mycoplasma synoviae and Mycoplasma meleagridis are known avian pathogens.
    • Sinusitis is a significant concern in turkey flocks, impacting health and productivity.

    Purpose of the Study:

    • To investigate the individual and combined pathogenicity of Mycoplasma synoviae and Mycoplasma meleagridis in turkeys.
    • To determine if a synergistic interaction exists between these two mycoplasma species in causing sinusitis.

    Main Methods:

    • Turkeys were experimentally inoculated intrasinus with broth cultures.
    • Groups were exposed to Mycoplasma synoviae alone, Mycoplasma meleagridis alone, or a combination of both.
    • Control groups were maintained for comparison.

    Main Results:

    • Intrasinus inoculation with a combination of Mycoplasma synoviae and Mycoplasma meleagridis produced experimental sinusitis in turkeys.
    • Turkeys exposed to only Mycoplasma synoviae or only Mycoplasma meleagridis did not develop sinusitis.
    • This suggests a synergistic pathogenic effect when both mycoplasmas are present.

    Conclusions:

    • Mycoplasma synoviae and Mycoplasma meleagridis exhibit pathogenic synergism in turkeys.
    • Combined infection with these two mycoplasmas is necessary to induce experimental sinusitis.
    • Understanding this synergism is crucial for managing and preventing respiratory diseases in turkeys.

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