Elaeophora schneideri is a parasitic arterial nematode of ungulates which causes mild to severe disease in moose (Alces alces). Elaeophora schneideri has a two-host life cycle requiring both ungulate hosts and horse fly vectors to complete its life cycle. This study was designed to determine the tabanid vectors of E. schneideri in Wyoming, and to describe horse fly feeding patterns among ungulate hosts. Horse flies were collected from four areas across Wyoming. Heads of collected horse flies were tested for E. schneideri larvae, and abdomens were tested for moose, elk, deer, cattle, sheep, and horse DNA. Host specificity among species of horse flies was not statistically significant, suggesting tested horse fly species are opportunistic when feeding. Two species of horse flies, H. tetrica and H. agora, made up the majority of the horse fly collection. It is likely that one or both of these horse fly species is driving prevalence of E. schneideri among Wyoming’s moose herds.
|Commitee:||Cornish, Todd, Kreeger, Terry, Krist, Amy, Miller, Myrna|
|School:||University of Wyoming|
|Department:||Agricultural and Applied Economics|
|School Location:||United States -- Wyoming|
|Source:||MAI 54/06M(E), Masters Abstracts International|
|Subjects:||Wildlife Management, Animal Diseases, Parasitology|
|Keywords:||Elaeophora schneideri, Horse flies, Moose, Parasite, Polymerase chain reaction, Wyoming|
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