Influence of Environmental Variables on Baylisascaris procyonis Infection in Raccoons | Land Portal | Protegendo os direitos da terra através de dados abertos

Informações sobre recurso

Date of publication: 
Dezembro 2012
Resource Language: 
ISBN / Resource ID: 
AGRIS:US201600003127
Pages: 
1279-1282

Baylisascaris procyonis is a zoonotic nematode commonly found in raccoons (Procyon lotor). Human-altered landscapes can support dense populations of raccoons, increasing the potential for interaction between humans and these animals. We used raccoon feces provided by licensed fur trappers to investigate environmental variables that influence prevalence of B. procyonis at 2 sites in Wisconsin. Trappers submitted raccoon feces to us, along with information on sex, age (juvenile and adult), and approximate trap location for each animal. We used zinc sulfate (1.18 specific gravity) flotation to detect B. procyonis eggs in approximately 1 g of fecal matter from each host. We used ArcView software to determine the distance of each trap location to an urban area as determined by the U.S. Census Bureau in 2000. We compared the habitat components in buffered home ranges (0.805 km around trap locations) of infected animals with those from uninfected animals using Mann-Whitney U-tests (P < 0.05). Variables investigated were human population, road density, housing units per census block, and land cover, including area of agriculture, forest, developed, shrubland, water, and grassland. We positively identified eggs in 64.9% of the animals sampled. Raccoons infected with B. procyonis had significantly larger area of agricultural habitats and significantly smaller areas of forested habitats in buffered home ranges than uninfected individuals. We found that raccoons near Madison and Milwaukee, Wisconsin, are commonly infected with B. procyonis, indicating that public education regarding protection from disease is warranted.

Autores e editores

Author(s), editor(s), contributor(s): 
Samson, Amanda Dubay, Shelli A. Huspeni, Todd C. Cyr, Amanda
Publisher(s): 
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The American Society of Parasitologists (ASP) is a diverse group of over 800 scientists from industry, government, and academia who are interested in the study and teaching of Parasitology. Founded in 1924, ASP members have contributed not only to the development of parasitology as a discipline, but also to primary research in systematics, medicine, molecular biology, immunology, physiology, ecology, biochemistry, behavior, and more.

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