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Haemonchosis in Spanish ibex

S Lavín1, I Marco, L Rossi

  • 1Facultad de Veterinaria, Universidad Autónoma de Barcelona, Spain.

Journal of Wildlife Diseases
|July 1, 1997
PubMed
Summary

Two Spanish ibex (Capra pyrenaica) died from severe haemonchosis, a parasitic disease caused by Haemonchus contortus. High worm burdens led to fatal anemia in these wild ungulates.

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Area of Science:

  • Veterinary Parasitology
  • Wildlife Pathology
  • Ecology of Infectious Diseases

Background:

  • Haemonchosis, caused by Haemonchus contortus, is a significant parasitic disease affecting ruminants.
  • Spanish ibex (Capra pyrenaica) populations can be vulnerable to parasitic infections, impacting their health and survival.
  • Understanding parasitic disease dynamics in wildlife is crucial for conservation efforts.

Purpose of the Study:

  • To document and describe two fatal cases of haemonchosis in Spanish ibex.
  • To identify the causative agent and quantify the parasite load.
  • To highlight the clinical signs and pathological findings associated with severe haemonchosis in this species.

Main Methods:

  • Necropsy and parasitological examination of two deceased Spanish ibex specimens.
  • Gross and microscopic pathological assessment of tissues, particularly the abomasum.
  • Hematological analysis to determine the type and severity of anemia.

Main Results:

  • Two Spanish ibex exhibited cachexia, recumbency, and acute hemorrhagic, macrocytic, hypochromic anemia.
  • High abomasal burdens of Haemonchus contortus were identified (2,016 and 1,863 nematodes).
  • The clinical presentation and pathological findings were directly attributed to the severe parasitic infection.

Conclusions:

  • Haemonchus contortus can cause severe, fatal haemonchosis in Spanish ibex populations.
  • Prompt diagnosis and understanding of parasitic disease impact are vital for wildlife health management.
  • This study underscores the potential threat of gastrointestinal nematodes to wild ungulate populations.

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