Debilitation and mortality associated with besnoitiosis in four virginia opossums (Didelphis virginiana)

Angela E. Ellis, Elizabeth Mackey, Philip A. Moore, Stephen J. Divers, Patrick Hensel, K. Paige Carmichael, Peter Accola, Justin Brown, Nicole Gottdenker, Michael K Keel, Barbara C. Shock, Michael J. Yabsley

Research output: Contribution to journalArticle

Abstract

Besnoitia spp. are coccidian parasites that infect a variety of wild and domestic mammals as well as some reptiles. Although infection with Besnoitia is common in Virginia opossums (Didelphis virginiana), clinical signs or death due to Besnoitia is rare. This manuscript describes four Virginia opossums that had severe clinical disease and inflammation associated with besnoitiosis. Clinical signs included trembling, incoordination, circling, blindness, poor body condition, and sudden death. Gross lesions included parasitic cysts in eyes, skin, and visceral organs. Histologically, cysts were often degenerate and associated with mild to marked inflammation, and amyloidosis was noted in one animal. Polymerase chain reaction and sequencing confirmed Besnoitia darlingi in three of the four opossums.

Original languageEnglish (US)
Pages (from-to)367-374
Number of pages8
JournalJournal of Zoo and Wildlife Medicine
Volume43
Issue number2
DOIs
StatePublished - Jun 2012
Externally publishedYes

Fingerprint

Sarcocystidae
Besnoitia
Didelphis
Coccidiosis
Didelphis virginiana
Opossums
Mortality
Cysts
inflammation
death
Inflammation
ataxia (disorder)
amyloidosis
Reptiles
blindness
opossums
Amyloidosis
Ataxia
Blindness
Sudden Death

Keywords

  • Besnoitia
  • besnoitiosis
  • coccidian
  • opossum
  • polymerase chain reaction (PCR)

ASJC Scopus subject areas

  • Animal Science and Zoology
  • veterinary(all)

Cite this

Ellis, A. E., Mackey, E., Moore, P. A., Divers, S. J., Hensel, P., Carmichael, K. P., ... Yabsley, M. J. (2012). Debilitation and mortality associated with besnoitiosis in four virginia opossums (Didelphis virginiana). Journal of Zoo and Wildlife Medicine, 43(2), 367-374. https://doi.org/10.1638/2011-0181.1

Debilitation and mortality associated with besnoitiosis in four virginia opossums (Didelphis virginiana). / Ellis, Angela E.; Mackey, Elizabeth; Moore, Philip A.; Divers, Stephen J.; Hensel, Patrick; Carmichael, K. Paige; Accola, Peter; Brown, Justin; Gottdenker, Nicole; Keel, Michael K; Shock, Barbara C.; Yabsley, Michael J.

In: Journal of Zoo and Wildlife Medicine, Vol. 43, No. 2, 06.2012, p. 367-374.

Research output: Contribution to journalArticle

Ellis, AE, Mackey, E, Moore, PA, Divers, SJ, Hensel, P, Carmichael, KP, Accola, P, Brown, J, Gottdenker, N, Keel, MK, Shock, BC & Yabsley, MJ 2012, 'Debilitation and mortality associated with besnoitiosis in four virginia opossums (Didelphis virginiana)', Journal of Zoo and Wildlife Medicine, vol. 43, no. 2, pp. 367-374. https://doi.org/10.1638/2011-0181.1
Ellis, Angela E. ; Mackey, Elizabeth ; Moore, Philip A. ; Divers, Stephen J. ; Hensel, Patrick ; Carmichael, K. Paige ; Accola, Peter ; Brown, Justin ; Gottdenker, Nicole ; Keel, Michael K ; Shock, Barbara C. ; Yabsley, Michael J. / Debilitation and mortality associated with besnoitiosis in four virginia opossums (Didelphis virginiana). In: Journal of Zoo and Wildlife Medicine. 2012 ; Vol. 43, No. 2. pp. 367-374.
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