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Secondary phosphorus poisoning in dogs
1Lincoln Animal Health Laboratory, MAF Quality Management, PO Box 24, Lincoln, New Zealand.
New Zealand Veterinary Journal
|February 1, 1995
Summary
Six dogs died from phosphorus poisoning after consuming poisoned possums. Survivors received copper sulfate and vitamin K, highlighting the dangers of phosphorus baits for non-target wildlife.
Area of Science:
- Veterinary Toxicology
- Animal Poisoning
Background:
- Phosphorus baits are used for pest control, posing risks to non-target species.
- Accidental poisoning of domestic animals can occur through secondary exposure.
Purpose of the Study:
- To report a case of phosphorus poisoning in dogs secondary to possum baiting.
- To describe clinical signs, post-mortem findings, and treatment outcomes.
Main Methods:
- Case study of six dogs with suspected phosphorus poisoning.
- Clinical examination, diagnostic testing (including post-mortem analysis), and treatment monitoring.
- Analysis of bait composition and detection of free phosphorus in ingesta.
Main Results:
- Six dogs died from acute phosphorus poisoning, exhibiting signs of depression, jaundice, vomiting, and hemorrhage.
- Post-mortem examinations revealed widespread hemorrhages and liver degeneration.
- Free phosphorus was detected in the ingesta of deceased dogs up to 7 days post-exposure.
- Two surviving dogs were treated successfully with copper sulfate and vitamin K.
Conclusions:
- Secondary poisoning in dogs from phosphorus-laced baits is a significant risk.
- Prompt treatment with copper sulfate and vitamin K can be effective in managing phosphorus poisoning.
- Proper baiting protocols are crucial to prevent accidental poisoning of domestic animals.