Vertebrate Pest Conference Proceedings collection

 

Date of this Version

1996

Document Type

Article

Citation

Published in Proceedings: Seventeenth Vertebrate Pest Conference … 1996, ed. Robert M. Timm & A. Charles Crabb (University of California, Davis, 1996).

Comments

Copyright © 1996 (where applicable) by the Vertebrate Pest Council of the Vertebrate Pest Conference. Used by permission.

Abstract

To determine the risk of secondary poisoning for animals preying on sub-lethally poisoned brushtail possums, captive possums were treated with near-lethal doses of sodium monofluoroacetate (1080) or brodifacoum, and toxicant concentrations in blood and tissue were monitored over time. Sodium monofluoroacetate was rapidly eliminated from the blood (within three days). Brodifacoum was retained in the liver and, to a lesser extent, the muscle of possums for eight months after dosing. To determine the potential risk for animals scavenging on the carcasses of possums poisoned with cholecalciferol, cats were fed poisoned carcasses for six days. No changes in behavior, appetite, or body weight were observed. Serum calcium concentrations increased slightly, but remained within the normal range for cats.

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