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Note: Session titles beginning with an asterisk (*) have student presenters.
AUTHORS: Kurt VerCauteren, National Wildlife Research Center, USDA/APHIS/Wildlife Services; Nathan Snow, National Wildlife Research Center, USDA/APHIS/Wildlife Services; John Kinsey, Kerr Wildlife Management Area, Texas Parks and Wildlife Department; Michael Lavelle, National Wildlife Research Center, USDA/APHIS/Wildlife Services; Justin Foster, Kerr Wildlife Management Area, Texas Parks and Wildlife Department
ABSTRACT: In collaboration with Australian colleagues, we are working toward the registration of a sodium-nitrite based toxicant with which to address invasive wild pigs in the United States. Sodium nitrite is a meat preservative that in a single dose is fatal to wild pigs. It reduces the capacity of blood to transfer oxygen to tissues, rapidly causing insensibility and humane death. After much experimentation we settled on a peanut paste-based bait matrix in which we incorporated micro-encapsulated sodium nitrite. With this formulation we achieved 95% lethality in a rigorous pen study and pending EPA permission we will evaluate it in the field in 2018. Concurrently, we have also conducted studies to evaluate time and behaviors from ingestion to death, concentrations of residual sodium nitrite in carcasses, and potential risks to coyotes and vultures that may scavenge SN-killed wild pigs. We have also developed a wild-pig specific bait station that performs well against deer, raccoons and other wildlife; yet with a carefully crafted strategy, still allows access by the majority of wild pigs. To address black bears, we have research underway to add an additional level of security. Here we provide an overview of our studies to date. Our goal is to register the product with the EPA by 2020-2021.
Monday October 30, 2017 3:20pm - 4:00pm EDT
Clements