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Related Experiment Videos

Strigea falconispalumbi in Eurasian buzzards from Germany.

O Krone1, W J Streich

  • 1Institute for Zoo Biology and Wildlife Research, Berlin, Germany. krone@izw-berlin.de

Journal of Wildlife Diseases
|August 15, 2000
PubMed
Summary
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Prevalence of the parasite Strigea falconispalumbi in Eurasian buzzards (Buteo buteo) varied significantly across Germany. Higher parasite loads were linked to greater freshwater availability, crucial for intermediate hosts.

Area of Science:

  • Veterinary Parasitology
  • Avian Ecology
  • Wildlife Disease Surveillance

Background:

  • Strigea falconispalumbi is a trematode parasite affecting birds of prey.
  • Understanding parasite distribution is crucial for avian health and ecosystem balance.
  • Eurasian buzzards (Buteo buteo) serve as definitive hosts for S. falconispalumbi.

Purpose of the Study:

  • To investigate the prevalence of adult S. falconispalumbi and its metacercaria in free-living Eurasian buzzards.
  • To determine if geographical location in Germany influences parasite prevalence.
  • To explore the correlation between freshwater abundance and parasite distribution.

Main Methods:

  • Necropsy of 83 free-living Eurasian buzzards from three distinct German regions.

Related Experiment Videos

  • Examination of small intestines for adult S. falconispalumbi.
  • Histological analysis of neck connective tissue for S. falconispalumbi metacercaria.
  • Statistical comparison of prevalence data across regions.

    • Main Results:

    • Adult S. falconispalumbi prevalence: 36% (Berlin/Brandenburg), 28% (Lower Saxony), 3% (Baden-Württemberg).
    • Metacercaria prevalence: 58% (Berlin/Brandenburg), 55% (Lower Saxony), 10% (Baden-Württemberg).
    • Significant regional differences in parasite prevalence were observed.

    Conclusions:

    • Geographical variations in S. falconispalumbi prevalence in Eurasian buzzards are significant.
    • Freshwater abundance, essential for intermediate hosts, is a key factor driving these prevalence differences.
    • This highlights the ecological link between habitat, intermediate hosts, and parasite distribution in avian populations.