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Related Experiment Videos

Parasitism in captive and reintroduced red wolves.

M K Phillips1, J Scheck

  • 1Alligator River National Wildlife Refuge, United States Fish and Wildlife Service, Manteo, North Carolina 27954.

Journal of Wildlife Diseases
|July 1, 1991
PubMed
Summary

Intestinal parasites and ticks were common in captive and free-ranging red wolves (Canis rufus). Ivermectin treatment effectively managed these common red wolf parasites.

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Area of Science:

  • Veterinary Parasitology
  • Wildlife Health
  • Canid Conservation

Background:

  • Red wolves (Canis rufus) face conservation challenges.
  • Parasitic infections and ectoparasites can impact wildlife health and survival.
  • Understanding parasite prevalence is crucial for managing endangered species.

Purpose of the Study:

  • To assess the prevalence of intestinal parasites and ticks in captive and free-ranging red wolves (Canis rufus).
  • To evaluate the efficacy of ivermectin in preventing or ameliorating parasitism in red wolves.

Main Methods:

  • Fecal examinations were conducted to identify intestinal parasites.
  • Ticks were collected and quantified from red wolves.
  • Ivermectin was administered at 50 micrograms/kg every 30 to 60 days to assess its therapeutic effect.

Main Results:

  • High prevalence of intestinal parasites was observed in both captive (48%) and free-ranging (67%) red wolves.
  • Tick infestation rates were also high, affecting 48% of captive and 75% of free-ranging wolves.
  • Dirofilariasis was infrequent, affecting only one reintroduced wolf.

Conclusions:

  • Intestinal parasites and ticks represent a significant health concern for red wolves (Canis rufus).
  • Ivermectin treatment demonstrated efficacy in managing and preventing parasitism in this species.
  • These findings support the use of ivermectin as a tool for red wolf health management and conservation efforts.

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