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Poisoning with 3-nitropropionic acid in possums (Trichosurus vulpecula)
N G Gregory1, G M Orbell, D R Harding
1SARDI, PO Box 1571, SA 5153, Australia.
New Zealand Veterinary Journal
|July 21, 2005
Summary
3-nitropropionic acid shows low toxicity in possums but acts quickly, causing retching and restlessness before death. This study evaluated its effects on animal behavior and welfare.
Area of Science:
- Toxicology
- Veterinary Science
- Animal Welfare
Background:
- 3-nitropropionic acid is a compound with potential toxicological applications.
- Understanding its effects in non-target species like possums is crucial for ecological and veterinary risk assessment.
Purpose of the Study:
- To assess the toxicity of 3-nitropropionic acid in possums.
- To document the animal behavioral effects following administration.
- To evaluate the implications for animal welfare.
Main Methods:
- Behavioral effects were recorded in 26 possums after 3-nitropropionic acid administration.
- Oral LD50 was determined.
- Adverse signs related to animal welfare were documented.
Main Results:
- The oral LD50 was determined to be between 110 and 170 mg/kg.
- Average time to death was 9.5 hours.
- Adverse welfare signs included retching and restlessness, occurring for an average of 1 hour 51 minutes prior to death.
Conclusions:
- 3-nitropropionic acid exhibits low potency as a toxin in possums compared to other agents.
- Despite low potency, it acts relatively quickly.
- The substance may induce discomfort, characterized by retching and restlessness, before mortality.