MICROBIC VIRULENCE AND HOST SUSCEPTIBILITY IN PARATYPHOID-ENTERITIDIS INFECTION OF WHITE MICE : V. THE EFFECT OF DIET

L T Webster1, I W Pritchett

  • 1Laboratories of The Rockefeller Institute for Medical Research.

Insights

Mice fed a complete diet showed increased resistance to infections and toxins compared to mice on a less complete diet. This highlights the importance of balanced nutrition for animal health and disease prevention.

Area of Science:

  • Nutritional Science
  • Immunology
  • Toxicology

Background:

  • Diet significantly impacts animal health and disease resistance.
  • Previous research suggests specific dietary components influence susceptibility to infections and toxins.

Purpose of the Study:

  • To compare the resistance of mice to specific infections and toxins based on two different diets.
  • To evaluate the efficacy of a complete diet versus a supplemented diet in enhancing animal resilience.

Main Methods:

  • White mice were divided into two groups.
  • One group was fed a McCollum complete diet (whole wheat, casein, milk powder, NaCl, CaCO3, butter fat).
  • The control group received bread, pasteurized milk, and a mixture of oatmeal, buckwheat, and dog biscuit.

Main Results:

  • Mice on the complete diet demonstrated enhanced resistance to mouse typhoid infection.
  • The complete diet group also showed increased tolerance to mercury bichloride intoxication.
  • Resistance to botulinus toxin was significantly higher in mice fed the complete diet.

Conclusions:

  • A nutritionally complete diet confers greater resistance to infectious agents and toxins in mice.
  • Dietary composition plays a critical role in modulating the immune system and detoxification pathways.
  • These findings underscore the importance of balanced nutrition for maintaining animal health and preventing disease.