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Nutrition and parasite interaction

R L Coop1, P H Holmes

  • 1Moredun Research Institute, Edinburgh, Scotland, U.K.

International Journal for Parasitology
|August 1, 1996
PubMed
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Optimizing ruminant nutrition enhances resistance to gastrointestinal nematodes. Proper dietary protein intake improves immune response and reduces infection severity, crucial for livestock health and productivity.

Area of Science:

  • Veterinary Parasitology
  • Ruminant Nutrition
  • Host-Parasite Interactions

Background:

  • Gastrointestinal nematodes significantly impact ruminant health by reducing feed intake and utilization.
  • Parasitic infections redirect host protein metabolism towards repair and immune responses, impairing productivity.
  • The mechanisms underlying parasite-induced anorexia and the precise nutritional impacts remain incompletely understood.

Purpose of the Study:

  • To review the interplay between nutritional status and gastrointestinal nematode infections in ruminants.
  • To elucidate how parasites affect host metabolism and how nutrition influences parasite establishment and host immunity.
  • To explore the role of nutrition in mitigating the pathophysiology of nematode infections.

Main Methods:

Related Experiment Videos

  • Literature review synthesizing current knowledge on nutrition and nematode infections in ruminants.
  • Analysis of metabolic shifts in hosts due to parasitic infections.
  • Examination of dietary effects on parasite populations, host immune responses, and disease outcomes.

    • Main Results:

    • Nutritional status critically influences the host-parasite relationship, affecting parasite survival and host immunity.
    • Protein supplementation does not prevent initial infection but enhances acquired immunity and resistance to reinfection.
    • Ruminants can self-regulate diet selection to meet increased protein demands during infection; nutrition impacts genotype expression benefits.

    Conclusions:

    • Dietary protein is key in modulating ruminant immune responses against gastrointestinal nematodes.
    • Adequate nutrition, including protein, macro-minerals, and trace elements, is essential for managing parasitic infections in ruminants.
    • Nutritional strategies can improve host resistance, reduce disease severity, and enhance overall livestock health and productivity.