Evaluation of Bait Station Density for Oral Rabies Vaccination of Raccoons in Urban and Rural Habitats in Florida
AbstractEfforts to eliminate the raccoon variant of the rabies virus (raccoon rabies) in the eastern United States by USDA, APHIS, Wildlife Services and cooperators have included the distribution of oral rabies vaccine baits from polyvinyl chloride (PVC) bait stations in west-central Florida from 2009 to 2015. Achieving sufficient vaccine bait uptake among urban raccoons is problematic, given limitations on aerial and vehicle-based bait distribution for safety and other reasons. One or three bait stations/km2 were deployed across four 9-km2 sites within rural and urban sites in Pasco and Pinellas Counties, Florida. Based on tetracycline biomarker analysis, bait uptake was only significantly different among the urban (Pinellas County) high and low bait station densities in 2012 (p = 0.0133). Significant differences in RVNA were found between the two bait station densities for both urban 2011 and 2012 samples (p = 0.0054 and p = 0.0031). Landscape differences in terms of urban structure and human population density may modify raccoon travel routes and behavior enough for these differences to emerge in highly urbanized Pinellas County, but not in rural Pasco County. The results suggest that, in urban settings, bait stations deployed at densities of >1/km2 are likely to achieve higher seroprevalence as an index of population immunity critical to successful raccoon rabies control. View Full-Text
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Haley, B.S.; Algeo, T.P.; Bjorklund, B.; Duffiney, A.G.; Hartin, R.E.; Martin, A.; Nelson, K.M.; Chipman, R.B.; Slate, D. Evaluation of Bait Station Density for Oral Rabies Vaccination of Raccoons in Urban and Rural Habitats in Florida. Trop. Med. Infect. Dis. 2017, 2, 41.
Haley BS, Algeo TP, Bjorklund B, Duffiney AG, Hartin RE, Martin A, Nelson KM, Chipman RB, Slate D. Evaluation of Bait Station Density for Oral Rabies Vaccination of Raccoons in Urban and Rural Habitats in Florida. Tropical Medicine and Infectious Disease. 2017; 2(3):41.Chicago/Turabian Style
Haley, Betsy S.; Algeo, Timothy P.; Bjorklund, Brian; Duffiney, Anthony G.; Hartin, Robert E.; Martin, Ashlee; Nelson, Kathleen M.; Chipman, Richard B.; Slate, Dennis. 2017. "Evaluation of Bait Station Density for Oral Rabies Vaccination of Raccoons in Urban and Rural Habitats in Florida." Trop. Med. Infect. Dis. 2, no. 3: 41.