Free-ranging avifauna as a source of generalist parasites for captive birds in zoological settings: An overview of parasite records and potential for cross-transmission

Patricio D. Carrera-Játiva*, Eric R. Morgan, Michelle Barrows, Gustavo Jiménez-Uzcátegui, Jorky Roosevelt Armijos Tituaña

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

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Abstract

Captive birds in zoological settings often harbor parasites, but little information is available about the potential for free-ranging avifauna to act as a source of infection. This review summarizes the gastrointestinal parasites found in zoo birds globally and in seven common free-ranging avian species [mallard (Anas platyrhynchos), Eurasian blackbird (Turdus merula), common starling (Sturnus vulgaris), Eurasian jackdaw (Corvus monedula), house sparrow (Passer domesticus), European robin (Erithacus rubecula), and rock dove (Columba livia)] to identify the overlap and discuss the potential for cross-species transmission. Over 70 references were assessed, and papers spanned over 90 years from 1925 to 2019. A total of 60 studies from 1987 to 2019 met the eligibility criteria. All examined free-ranging avifauna harbored parasite species that were also reported in zoo birds, except for the European jackdaw. Parasites reported in captive and free-ranging birds include nematodes (Capillaria caudinflata, Dispharynx nasuta, Ornithostrongylus quadriradiatus, Strongyloides avium, Syngamus trachea, and Tetrameres fissispina), cestodes (Dicranotaenia coronula, Diorchis stefanskii, Fimbriaria fasciolaris, and Raillietina cesticillus, Sobolevicanthus gracilis), trematode (Echinostoma revolutum), and protozoa (Cryptosporidium baileyi). Although no study effectively proved cross-transmission either experimentally or by genetic analysis, these parasites demonstrate low host specificity and a high potential for parasite sharing. There is potential for parasite sharing whenever determinants such as host specificity, life cycle, and husbandry are favorable. More research should be carried out to describe parasites in both captive and free-ranging birds in zoological settings and the likelihood of cross-infection. Such information would contribute to evidence-based control measures, enhancing effective husbandry and preventive medicine protocols.

Original languageEnglish
Pages (from-to)482-500
Number of pages19
JournalJournal of Advanced Veterinary and Animal Research
Volume7
Issue number3
Early online date22 Aug 2020
DOIs
Publication statusPublished - Sep 2020

Bibliographical note

Funding Information:
The authors thank Dr. Carolina Serrano and Blga. Mayra Ninazunta for their valuable manuscript comments. This publication is the contribution number 球甃甃甀 of the Charles Darwin Foundation for the Galapagos Islands. This research was carried out with the support of the Universidad Nacional de Loja and the Ecuadorian Government-Secretariat of Higher Education, Science, Technology, and Innovation (SENESCYT).

Publisher Copyright:
© 2020, Network for the Veterinarians of Bangladesh.

Copyright:
Copyright 2020 Elsevier B.V., All rights reserved.

Keywords

  • Birds
  • Captive
  • Free living
  • Host specificity
  • Parasites
  • Zoo

ASJC Scopus subject areas

  • Animal Science and Zoology
  • veterinary(all)

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