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[Ketonuria in dairy cows].

M Lebeda, J Prikrylová, A Bus

    Veterinarni Medicina
    |September 1, 1982
    PubMed
    Summary

    Dairy cows fed winter rations show higher ketonuria, especially during early lactation. Nutritional deficits in winter feed rations contribute to increased ketone bodies, impacting herd health.

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    Area of Science:

    • Animal Science
    • Veterinary Medicine
    • Nutritional Biochemistry

    Context:

    • Ketone bodies are crucial indicators of energy metabolism in dairy cows.
    • Nutritional management significantly influences metabolic health and productivity in dairy herds.
    • Seasonal variations in feed composition can lead to energy and nutrient imbalances.

    Purpose:

    • To investigate the prevalence and intensity of ketonuria in dairy cows under different feeding regimens and lactation stages.
    • To assess the energy and nutrient supply in summer and winter feed rations.
    • To explore the relationship between ketonuria, nutritional status, and physiological parameters.

    Summary:

    • A study of 3337 dairy cows revealed higher ketonuria in cows on winter rations compared to green feeds, decreasing with lactation stage and milk production.
    • Cows in late pregnancy showed higher ketonuria on green feeds (32.9%) versus winter rations (30.7%).
    • Winter rations were associated with lower energy input and a higher incidence of deficient rations, particularly impacting cows in early lactation.

    Impact:

    • Findings highlight the critical role of balanced nutrition in preventing metabolic disorders like ketosis in dairy cows.
    • Identifies specific feeding periods and ration types that pose a higher risk for ketonuria.
    • Provides insights into the metabolic mechanisms underlying ketonuria, informing veterinary diagnostics and herd management strategies.

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