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Related Experiment Videos

Nutrition-parasite interaction.

R L Coop1, I Kyriazakis

  • 1Moredun Research Institute, Edinburgh, Scotland, UK.

Veterinary Parasitology
|August 24, 1999
PubMed
Summary
This summary is machine-generated.

Host nutrition significantly impacts ruminant resilience to parasites by influencing nutrient allocation. Improved nutrition enhances resistance, but growth, pregnancy, and lactation may prioritize over immunity expression.

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Area of Science:

  • Veterinary Parasitology
  • Ruminant Nutrition
  • Host-Parasite Interactions

Background:

  • Ruminant health is influenced by complex interactions between nutrition and parasitic infections.
  • Nutrient resources are allocated to competing physiological functions, including those affected by parasitism.

Purpose of the Study:

  • To present a framework for understanding host nutrition and parasitism interactions in ruminants.
  • To explore how nutrient allocation influences host resilience and immune response.

Main Methods:

  • Conceptual framework development based on nutrient resource allocation theory.
  • Analysis of existing observations on host-parasite-nutrition dynamics.

Main Results:

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  • Host prioritizes reversing parasitic damage over other functions, suggesting improved nutrition enhances resilience.
  • Growth, pregnancy, and lactation may take precedence over immune function, impacting immunity expression with better nutrition.

    • Conclusions:

    • The proposed framework explains phenomena like periparturient relaxation of immunity and reduced worm burden with protein supplementation.
    • The framework's principles are potentially applicable to other parasitic diseases beyond gastrointestinal nematodes in ruminants.