A comparison of the helminth faunas of wild and farm-reared red-legged partridge

Javier Millán, Christian Gortazar, Rafael Villafuerte

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23 Citations (Scopus)

Abstract

More than 4 million farm-reared red-legged partridge (Alectoris rufa; hereafter partridge) are released each year in autumn for harvest purposes in Spain. We compared the helminth fauna of 122 juvenile, farm-reared partridge from 9 farms around Spain with that of 174 wild partridge from 7 harvest areas where no releases currently are conducted. We examined the digestive tract, liver, and trachea. Fourteen helminth species were retrieved (6 from farm-reared partridge, 9 from wild partridge). No trematode or nematode species were shared by both groups of partridge, and only 1 cestode species was present in both populations. Monoxenous nematodes were the most prevalent species found in farm-reared birds. Ascaridia compar, a parasite of the rock partridge (A. graeca) previously unreported in the red-legged partridge, was found in 4 facilities. Heteroxenous helminths, such as Dicrocoelium sp., Raillietina tetragona, and Cheilospirura gruveli, predominated in wild partridge. The prevalence and intensity of helminths in some farmed partridge were higher than expected considering the routine use of antihelminthics in these facilities. Thus, released partridge may introduce new parasites into wild populations, come into contact with parasites of wild partridge, and be negatively affected by their parasite burdens after release. These risks require further study.

Original languageEnglish
Pages (from-to)701-707
Number of pages7
JournalJournal of Wildlife Management
Volume68
Issue number3
DOIs
Publication statusPublished - Jul 2004

Keywords

  • Alectoris rufa
  • Farm rearing
  • Gamebird
  • Helminth
  • Iberian Peninsula
  • Parasite introduction
  • Red-legged partridge
  • Releases
  • Spain

ASJC Scopus subject areas

  • Animal Science and Zoology
  • Ecology
  • Ecology, Evolution, Behavior and Systematics
  • Nature and Landscape Conservation

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