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Case 3- Two Rescued Rock Doves

Case 3- Two Rescued Rock Doves. Kieley Hoppe Abi Hutcheson Kristi Kauppi Shelly Weaver. Rock Dove aka Rock Pigeon or Common Pigeon. Kingdom: Animalia Phylum: Chordata Subphylum: Vertebrata Class: Aves Order: Columbiformes Family: Columbidae Genus: Columba Species: Columba livia.

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Case 3- Two Rescued Rock Doves

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  1. Case 3- Two Rescued Rock Doves Kieley Hoppe Abi Hutcheson Kristi Kauppi Shelly Weaver

  2. Rock Doveaka Rock Pigeon or Common Pigeon • Kingdom: Animalia Phylum: Chordata Subphylum: Vertebrata Class: Aves Order: Columbiformes Family: Columbidae Genus: Columba Species: Columba livia

  3. Natural Habitat • Native to Europe, North Africa, and SW Asia, introduced worldwide. • Nest in crevices along rocky seaside cliffs, in cities they use skyscrapers as nesting areas.

  4. Rock Dove Highlights • Males show more iridescence than females, but can vary dramatically in colors. • Pairs are formed for life. • If you enter a nesting pair’s territory they may peck you profusely on the head, some considered a nuisance. • Eat mainly seeds. • Are eaten by humans. • Common predators are opossums, raccoons, and birds of prey. • Not of special concern due to abundance worldwide.

  5. Most common parasites found in Rock Dove • Lice • Mites • Haemoproteus (Avian Malaria) • Pseudolynchia canariensis (Pigeon Fly)

  6. The Case: Symptoms • Juvenille Rock Doves suddenly developed head tremor, incoordination, loss of balance, lethargy and torticollis (head tilt). • Three weeks previously the birds had been given Ivermectin (to kill helminthes- ie roundworm). • Both euthanized due to rapidly deteriorating conditions.

  7. Sanitation • The pen that the doves were housed in had previously been home to orphaned raccoons. • Each raccoon had been dewormed within 24 hours of admission. • A bleach solution along with pressurized steam was used to clean the pen between when the raccoons vacated and the doves arrived.

  8. Diagnosis • The first bird was tested for anything of interest histopathologically, viral, bacterial, as well as lead toxicity. All were negative. • The second bird showed swelling and inflammation of the brain, with a single larvae shown on histological preparation. • Larvae observed resembled typical roundworm. • Roundworm larvae are resistant to disinfectants. • Baylisascaris procyonis

  9. Possible Question • Even with prophylaxis against helminths and bleach sanitized pens, how were the birds still able to contract the parasite? • What do you think???

  10. References • Roof, J. 2001. "Columba livia" (On-line), Animal Diversity Web. Accessed April 21, 2009 at http://animaldiversity.ummz.umich.edu/site/accounts/information/Columba_livia.html. • Kazacos, K. R., Fitzgerald, S.D., and W. M. Reed. 1991. Baylisascaris procyonis as a Cause of Cerebrospinal Nematodiasis in Ratites. J. of Zoo and Wildlife Medicine. 22(4): 460- 465.

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