detection of bluetongue virus rna in field-collected culicoides spp. (diptera: ceratopogonidae) following the discovery of bluetongue virus serotype 1 in white-tailed deer and cattle in november 2004, bluetongue virus (family reoviridae, genus orbivirus, btv) serotype 1 (btv-1) was detected for the first time in the united states from a hunter-killed deer in st. mary parish, la. in 2005, sera surveys were conducted on three cattle farms near the area where the deer was found, and btv-1-seropositive cattle were found on two of the three farms; in 2006, sera surveys from the cattle on the three farms did not detect any btv-1-positive animals. the purpose of this study was to s ...201020380309
prospective study of epizootic hemorrhagic disease virus and bluetongue virus transmission in captive ruminants.bluetongue virus (btv) and epizootic hemorrhagic disease virus (ehdv) cause hemorrhagic disease (hd) in wild ruminants and bluetongue disease (bt) and epizootic hemorrhagic disease (ehd) in livestock. these viruses are transmitted by biting midges in the genus culicoides (family ceratopogonidae). mortality from this disease can reach 90% in certain breeds of sheep and in white-tailed deer (odocoileus virginianus). from january until december of 2012, we conducted a prospective study to determine ...202032083292
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