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Related Experiment Videos

Copper deficiency in ruminants; recent developments.

N F Suttle

    The Veterinary Record
    |November 22, 1986
    PubMed
    Summary
    This summary is machine-generated.

    Copper deficiency in grazing ruminants is caused by poor pasture availability and mineral interactions. New diagnostic methods improve detection of this economically important condition in livestock.

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    Relationships between the concentrations of trichloroacetic acid-soluble copper and caeruloplasmin in the serum of cattle from areas with different soil concentrations of molybdenum.

    The Veterinary record·2008

    Area of Science:

    • Veterinary Science
    • Animal Nutrition
    • Biochemistry

    Background:

    • Copper deficiency is a significant issue in grazing ruminants, impacting animal health and productivity.
    • Factors influencing copper availability and absorption in livestock diets are complex and multifactorial.
    • Economic losses due to copper deficiency include increased disease susceptibility, reduced growth, and reproductive problems.

    Purpose of the Study:

    • To elucidate the causes of copper deficiency in grazing ruminants.
    • To highlight the economic impact of copper deficiency in livestock.
    • To improve diagnostic methods for copper deficiency.

    Main Methods:

    • Investigated copper availability in grazed pasture versus conserved forage.
    • Assessed the impact of herbage molybdenum, sulfur, and soil-ingested iron on copper absorption.

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  • Examined genetic variations in copper absorption among sheep breeds.
  • Evaluated erythrocyte superoxide dismutase as a diagnostic marker for copper status.

    • Main Results:

    • Lush grazed pasture has lower copper availability than conserved forage.
    • Increased herbage molybdenum and sulfur, and soil-ingested iron inhibit copper absorption.
    • Significant genetic variation exists in copper absorption between sheep breeds.
    • Erythrocyte superoxide dismutase assays improve the diagnosis of functional copper deficiency.

    Conclusions:

    • Multiple factors contribute to copper deficiency in grazing ruminants, including diet and genetics.
    • Copper deficiency has substantial economic consequences for the livestock industry.
    • Improved diagnostic tools are crucial for managing copper deficiency effectively in ruminant herds and flocks.