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[Etiological study of mastitis in cows]

D Todorov, L Ikonomov, G Slavchev

    Veterinarno-Meditsinski Nauki
    |January 1, 1981
    PubMed
    Summary

    Subclinical mastitis is prevalent in dairy cows, affecting over half of positive cases. Early detection through rapid mastitis tests is crucial for managing bacterial infections and improving herd health.

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    Area of Science:

    • Veterinary Medicine
    • Animal Health
    • Bacteriology

    Context:

    • Mastitis significantly impacts dairy cattle health and productivity.
    • A large-scale study involving 13,880 cows across 40 farms was conducted.
    • The rapid mastitis test (RMT) was utilized for widespread screening.

    Purpose:

    • To assess the prevalence and etiological agents of mastitis in a large dairy cow population.
    • To differentiate between clinical, subclinical, and carrier statuses of mastitis.
    • To identify the specific bacterial pathogens associated with different mastitis forms.

    Summary:

    • Out of 13,880 cows, 2,384 udder quarters tested positive for mastitis.
    • Subclinical mastitis was the most common form (58.14%), followed by secretion disturbances (22.58%) and carrier status (12.55%).
    • Pathogenic streptococci (57.14%) and staphylococci (20.77%) were the primary bacteria in mastitis-positive quarters, while staphylococci (40.93%) and streptococci (38.7%) predominated in subclinical cases.

    Impact:

    • Highlights the high prevalence of subclinical mastitis, emphasizing the need for routine screening.
    • Provides crucial data on bacterial pathogens involved in mastitis, informing targeted treatment and prevention strategies.
    • Identifies staphylococci and streptococci as key etiological agents, guiding antimicrobial stewardship and herd management practices.

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