Animal and Plant Health Inspection Service

Ethyl-iophenoxic acid as a serum biomarker for marsupial species in oral bait trials

Abstract Ethyl-iophenoxic acid (Et-IPA) is widely recognized as a useful biomarker to confirm oral bait consumption in eutherian species. In historical studies on marsupials, Et-IPA was rapidly eliminated from brushtail possums ( Trichosurus vulpecula ) and swamp wallabies ( Wall...