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Related Experiment Videos

The relationship between decrease in feed intake and infection with Trypanosoma congolense and T. vivax in west

G J Wassink1, I S Momoh, D Zwart

  • 1Department of Tropical Animal Husbandry, Wageningen Agricultural University, The Netherlands.

The Veterinary Quarterly
|March 1, 1993
PubMed
Summary

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Goat infections with Trypanosoma congolense and Trypanosoma vivax decrease feed intake. Blood parameters like urea and creatinine during T. congolense infection can predict feed intake reduction from T. vivax.

Area of Science:

  • Veterinary parasitology
  • Animal nutrition
  • Ruminant physiology

Background:

  • Trypanosome infections (T. congolense, T. vivax) are significant in livestock.
  • Reduced feed intake is a major consequence of trypanosomiasis.
  • Understanding host-parasite interactions is crucial for disease management.

Purpose of the Study:

  • To investigate the relationship between trypanosome infection and feed intake in goats.
  • To assess the impact of T. congolense on rectal temperature and blood parameters.
  • To determine if blood parameter changes predict T. vivax effects on feed intake.

Main Methods:

  • Twenty-three mature dwarf goats were experimentally infected.
  • Relative dry matter intake was monitored.

Related Experiment Videos

  • Rectal temperatures and blood parameters (urea, creatinine, NEFA, BHB) were analyzed.
  • Ranking correlation was used to assess relationships.

    • Main Results:

    • A significant correlation (r = 0.59) was found between reduced dry matter intake and trypanosome infection.
    • T. congolense infection altered blood parameters: decreased urea, increased NEFA and BHB in goats with lower feed intake.
    • Blood urea and creatinine levels during T. congolense infection predicted feed intake reduction during subsequent T. vivax infection.

    Conclusions:

    • Trypanosome infections directly impact feed intake in goats.
    • Specific blood parameters reflect the severity of infection and its effect on nutrition.
    • Monitoring urea and creatinine could aid in predicting the nutritional consequences of T. vivax in goats previously exposed to T. congolense.