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[Bacteriological and morphological findings in aborted cattle fetuses].

Ia Buchvarova, A Dimitrov

    Veterinarno-Meditsinski Nauki
    |January 1, 1982
    PubMed
    Summary

    Bovine fetal abortion investigations identified bacterial pathogens including Trueperella pyogenes and Vibrio fetus in 24% of cases. Lesions were observed in the lungs and liver, but did not help identify the specific bacterial cause.

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    Area of Science:

    • Veterinary Microbiology
    • Bovine Pathology
    • Infectious Disease

    Background:

    • Bovine fetal abortions pose significant economic and reproductive challenges in cattle herds.
    • Identifying the causative agents of abortion is crucial for effective disease management and prevention.

    Purpose of the Study:

    • To conduct bacteriologic investigations on aborted bovine fetuses.
    • To identify common bacterial pathogens associated with bovine fetal loss.
    • To correlate observed fetal lesions with specific etiologic agents.

    Main Methods:

    • Bacteriologic culture and isolation techniques were employed.
    • A total of 142 aborted bovine fetuses were examined.
    • Morphologic examination of fetal tissues was performed.

    Main Results:

    • Bacterial pathogens were isolated from 34 fetuses (24% of cases).
    • Commonly isolated bacteria included Trueperella pyogenes, Vibrio fetus, and Escherichia coli.
    • Single infections occurred in 80% of positive cases, with mixed infections in 20%.
    • Morphologic changes were primarily noted in the lungs and liver of affected fetuses.

    Conclusions:

    • Several bacterial species are implicated in bovine fetal abortions.
    • Fetal lung and liver lesions are common but not specific for identifying the causative agent.
    • Further research may be needed to establish definitive links between specific bacteria and pathological findings.

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