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Related Experiment Videos

Zinc deficiency in the cat

E Kane, J G Morris, Q R Rogers

    The Journal of Nutrition
    |March 1, 1981
    PubMed
    Summary
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    This study determined the zinc (Zn) requirements for cats. Low dietary zinc levels impaired reproductive health and caused skin issues, suggesting a requirement between 15 and 50 ppm.

    Area of Science:

    • Veterinary Nutrition
    • Animal Science
    • Nutritional Biochemistry

    Background:

    • Zinc is an essential trace element crucial for various physiological processes in mammals.
    • Understanding the specific dietary requirements of cats is vital for formulating appropriate pet foods and maintaining their health.
    • Previous research on feline zinc requirements is limited, necessitating further investigation.

    Purpose of the Study:

    • To establish the approximate dietary zinc (Zn) requirements for domestic cats.
    • To investigate the clinical and biochemical manifestations of zinc deficiency in cats.
    • To correlate dietary zinc intake with plasma and tissue zinc levels.

    Main Methods:

    • Two experiments were conducted using soy protein-based and amino acid-based diets with varying zinc concentrations.

    Related Experiment Videos

  • Experiment 1 involved feeding adult cats diets with 15, 15+CaHPO4, and 67 ppm Zn for 8 months.
  • Experiment 2 involved feeding kittens diets with 0.7, 52, and 4.8 ppm Zn for 14 weeks, monitoring growth, food intake, and plasma/liver zinc levels.

    • Main Results:

    • Cats fed low-zinc diets (0.7 ppm) exhibited poor coat quality, skin issues, and buccal ulcerations.
    • Abnormal spermatogenesis was observed in cats fed 15 ppm zinc diets in Experiment 1.
    • Plasma zinc levels correlated with dietary zinc intake, with levels below 50 ppm indicating potential deficiency.

    Conclusions:

    • The domestic cat's dietary requirement for zinc is likely between 15 ppm and 50 ppm.
    • Inadequate zinc intake can lead to reproductive and dermatological problems in cats.
    • Further studies are warranted to precisely define the optimal zinc levels for different life stages in cats.