Rabbit hemorrhagic disease virus 2 (RHDV2) is a fatal, highly contagious pathogen that infects wild and domestic lagomorphs (rabbits and hares). RHDV2 is an important cause of disease in pet and companion rabbits, has resulted in economic losses for the commercial rabbit industry, and has caused declines of wild lagomorph populations. It is essential for domestic rabbit owners to engage in appropriate actions (e.g., using effective disinfectants, creating secure barriers between domestic and wild rabbits) to protect the health and welfare of their rabbits and reduce the risk of human-mediated spread of RHDV2. Thus, we investigated rabbit owners' stated willingness to engage in nine commonly recommended biosecurity practices and their support for seven potential government-implemented management actions. We administered an online survey to 1790 rabbit owners in the United States between April and August 2021. Respondents were likely to engage in all biosecurity measures and were supportive of most management actions that could be implemented by government agencies. Respondents' willingness to engage in and support biosecurity measures was positively correlated with their perceptions of the importance of biosecurity, risk perceptions pertaining to the impact of RHDV2 on lagomorphs and rabbit-related industries, knowledge of RHDV2, and trust in government to manage RHDV2. Respondents' motivations for owning rabbits, husbandry behaviors, and demographic characteristics also influenced their willingness to engage in or support biosecurity measures. Engaging domestic rabbit owners in collaborative biosecurity measures is critical for protecting domestic rabbit health and preventing potential spillover between domestic and free-roaming lagomorphs, as there are still many uncertainties about how RHDV2 is spreading across the United States and the world. Implementing outreach strategies that communicate the importance and effectiveness of biosecurity practices in protecting rabbit welfare, rabbit-related activities, and wild lagomorph populations may increase the likelihood of rabbit owners adopting biosecurity measures.
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