Critique on the use of the standardized avian acute oral toxicity test for first generation anticoagulant rodenticides
Human and Ecological Risk Assessment
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Abstract
Avian risk assessments for rodenticides are often driven by the results of standardized acute oral toxicity tests without regards to a toxicant's mode of action and time course of adverse effects. First generation anticoagulant rodenticides (FGARs) generally require multiple feedings over several days to achieve a threshold concentration in tissue and cause adverse effects. This exposure regimen is much different than that used in the standardized acute oral toxicity test methodology. Median lethal dose values derived from standardized acute oral toxicity tests underestimate the environmental hazard and risk of FGARs. Caution is warranted when FGAR toxicity, physiological effects, and pharmacokinetics derived from standardized acute oral toxicity testing are used for forensic confirmation of the cause of death in avian mortality incidents and when characterizing FGARs' risks to free-ranging birds.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Critique on the use of the standardized avian acute oral toxicity test for first generation anticoagulant rodenticides |
| Series title | Human and Ecological Risk Assessment |
| DOI | 10.1080/10807039.2012.707934 |
| Volume | 18 |
| Issue | 5 |
| Year Published | 2012 |
| Language | English |
| Publisher | Taylor & Francis |
| Publisher location | Philadelphia, PA |
| Contributing office(s) | Patuxent Wildlife Research Center |
| Description | 9 p. |
| First page | 1069 |
| Last page | 1077 |
| Google Analytic Metrics | Metrics page |