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THORACIC AND ABDOMINAL RADIOGRAPHIC ANATOMY OF THE EUROPEAN WILDCAT (FELIS SILVESTRIS).

Alice Bacon1, Lucy Becker2, Estelle Morgan3

  • 1Highland Wildlife Park, Royal Zoological Society of Scotland, Kincraig, Highland, PH21 1NL, United Kingdom, alice.bacon@hotmail.co.uk.

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Summary

Radiographic parameters for European wildcats (Felis silvestris) were established for conservation efforts. Key findings include normal vertebral heart score and organ size ranges for this species.

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Area of Science:

  • Veterinary Radiology
  • Wildlife Conservation
  • Comparative Anatomy

Background:

  • Routine radiographic imaging is crucial for managing captive wildlife populations.
  • Establishing species-specific normal radiographic parameters aids in health assessment and conservation translocation.
  • European wildcats (Felis silvestris) require defined radiographic benchmarks for accurate health monitoring.

Purpose of the Study:

  • To determine normal qualitative and quantitative radiographic parameters for captive European wildcats.
  • To provide reference values for vertebral heart score (VHS) and organ size ratios.
  • To identify radiographic anatomical differences between European wildcats and domestic cats (Felis catus).

Main Methods:

  • Survey radiographs were taken for routine health management of 37 captive European wildcats (16 adults, 21 subadults).
  • Qualitative and quantitative radiographic parameters were assessed, including VHS, small and large intestine diameters, and kidney size relative to lumbar vertebrae.
  • Measurements were compared to established domestic cat parameters where applicable.

Main Results:

  • Normal vertebral heart score (VHS) range determined as 7.5-9.1.
  • Normal small intestine diameter ranged from 10.09-15.65 mm.
  • Key differences from domestic cats included VHS, small intestinal diameter, and the presence of an os penis.

Conclusions:

  • Established normal radiographic parameters provide essential data for European wildcat health management.
  • These findings support conservation translocation efforts by enabling better health assessments.
  • Understanding species-specific radiographic anatomy is vital for differentiating wildcats from domestic cats.