Suspected cholecalciferol rodenticide toxicosis in avian species at a zoological institution

Julie Swenson, Gregory A Bradley

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Over a 2-month period, individual birds belonging to species in multiple avian families, including Bucerotidae, Sturnidae, Columbidae, Corvidae, and Anatidae, were presented to the Animal Care Center at the Phoenix Zoo for emergency medical care. Common clinical findings were subdued behavior, weight loss, and an inability to fly. Biochemical abnormalities commonly included high calcium and uric acid concentrations and high to high-normal phosphorus concentrations. In cases in which necropsies were done, mineralization of organs often was present, frequently of the kidneys and cardiovascular system. Because of the high calcium and phosphorus concentrations, mineralization of tissues, cases representing multiple avian species, and the recent addition of rodent bait boxes containing cholecalciferol to the zoo's pest control program, a presumptive diagnosis of cholecalciferol toxicosis was made. Treatment most commonly consisted of daily fluid diuresis. These cases demonstrate that, although cholecalciferol is considered unlikely to cause relay toxicosis, primary toxicosis still should be considered in cases with sudden onset of nonspecific signs when exposure to cholecalciferol was possible.

Original languageEnglish (US)
Pages (from-to)136-147
Number of pages12
JournalJournal of Avian Medicine and Surgery
Volume27
Issue number2
DOIs
StatePublished - Jun 2013

Fingerprint

Rodenticides
rodenticides
cholecalciferol
Cholecalciferol
poisoning
zoos
Phosphorus
Bucerotidae
mineralization
pest control programs
Columbidae
Corvidae
Anatidae
Calcium
Starlings
calcium
phosphorus
diuresis
animal care
Pest Control

Keywords

  • avian
  • calcium-phosphorus solubility index
  • cholecalciferol
  • hypercalcemia
  • rodenticide
  • softtissue mineralization
  • vitamin D

ASJC Scopus subject areas

  • Small Animals

Cite this

Suspected cholecalciferol rodenticide toxicosis in avian species at a zoological institution. / Swenson, Julie; Bradley, Gregory A.

In: Journal of Avian Medicine and Surgery, Vol. 27, No. 2, 06.2013, p. 136-147.

Research output: Contribution to journalArticle

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