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[Cocks with experimentally induced acute typhoid].

T Kokosharov, I Petkov, I Dzhurova

    Veterinarno-Meditsinski Nauki
    |January 1, 1984
    PubMed
    Summary

    Acute Salmonella gallinarum infection in New Hampshire cocks caused significant testicular damage and reduced sperm quality. This study highlights the impact of typhoid on avian reproductive health.

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    Area of Science:

    • Veterinary Pathology
    • Avian Reproduction
    • Microbiology

    Context:

    • Investigates the effects of acute typhoid infection (Salmonella gallinarum) in mature, productive New Hampshire breed cocks.
    • Focuses on the period of intense productivity to assess impacts on reproductive capacity.
    • Examines bacteriological, histological, and cytological parameters.

    Purpose:

    • To determine the pathological effects of acute Salmonella gallinarum infection on the reproductive organs and semen quality in male chickens.
    • To characterize the histological and cytological alterations in the testes and semen following infection.

    Summary:

    • Bacteriological analysis confirmed Salmonella gallinarum in the viscera of deceased infected cocks, but not in those euthanized.
    • Histological examination revealed necrobiotic and degenerative lesions in seminiferous tubule epithelium and impaired spermiogenesis.
    • Cytological analysis of semen showed abnormal spermatozoa, including head and tail anomalies, and increased erythrocytes and leukocytes.

    Impact:

    • Demonstrates significant testicular pathology and reduced semen quality in chickens due to acute typhoid infection.
    • Provides insights into the reproductive consequences of Salmonella gallinarum in poultry.
    • Contributes to understanding the broader impact of infectious diseases on avian reproductive systems.

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