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Toxic effects of trace element excess.

L J Thompson1, J O Hall, G L Meerdink

  • 1Diagnostic Laboratory, New York State College of Veterinary Medicine, Cornell University, Ithaca.

The Veterinary Clinics of North America. Food Animal Practice
|March 1, 1991
PubMed
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Excessive trace elements in cattle diets can lead to toxicity and secondary deficiencies, impacting growth and neurological health. Diagnosis requires observing clinical signs and chemical analysis of feed and tissues.

Area of Science:

  • Veterinary Medicine
  • Animal Nutrition
  • Toxicology

Background:

  • Trace element imbalances in animal diets can cause significant health issues in cattle.
  • Excessive intake of certain elements can lead to direct toxicity or induce deficiencies of other essential nutrients.
  • Clinical manifestations range from reduced growth to severe neurological impairment.

Purpose of the Study:

  • To summarize the toxic effects of trace element excesses in cattle.
  • To highlight the varied clinical signs associated with trace element toxicities.
  • To emphasize the diagnostic approaches for trace element interactions.

Main Methods:

  • Review of existing literature on trace element toxicities in cattle.
  • Analysis of clinical case studies and diagnostic findings.

Related Experiment Videos

  • Correlation of dietary components with observed toxicological effects.

    • Main Results:

    • Trace element excesses can manifest as direct toxicity or secondary deficiencies.
    • Clinical signs are diverse, including poor growth, feed inefficiency, and neurological disorders.
    • The severity of toxic effects depends on the element, dose, animal factors, and diet composition.

    Conclusions:

    • Understanding trace element interactions is crucial for cattle health management.
    • Accurate diagnosis relies on a combination of clinical observation and chemical analysis.
    • Preventing toxicities involves careful diet formulation and monitoring of trace element levels.