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experimental and epizootiologic evidence associating ornithodoros coriaceus koch (acari: argasidae) with the exposure of cattle to epizootic bovine abortion in california. 19761011232
the pajaroello tick bite. the frightening folklore and the mild disease.the pajaroella tick (ornithodoros coriaceus) has a fairly wide distribution in the coastal and mountainous areas of california and mexico. persons engaged in outdoor activities there, are frequently bitten. little is written in the medical literature concerning the tick and its bite. what has been written is liberally injected with frightening folklore that sometimes results in overzealous treatment. conservative and supportive therapy is advisable and only rarely should one have to resort to su ...19724639841
genetic structure of the tick ornithodoros coriaceus (acari: argasidae) in california, nevada, and oregon.the argasid tick ornithodoros coriaceus (koch) is the only confirmed vector of epizootic bovine abortion (eba) in the united states. the disease and its tick vector have historically been reported in the foothills of the sierra nevada mountains and coast ranges of california. in the past two decades, the range of eba has apparently expanded into southern oregon and northern nevada. possible explanations for this expansion include 1) increased recognition and reporting of eba in these regions; 2) ...200515962771
effect of prescribed fire for tick control in california chaparral.prescribed fire was investigated as a method for controlling ixodid and argasid ticks in chaparral habitats in northern california. two experimental and two adjacent control plots within a wildlife preserve were monitored for 1 yr postburn. ticks were collected by flagging vegetation, by co2-baited pitfall trap, and by live-trapping rodents. twice as many rodents were caught at control sites compared with burn sites and no dusky-footed woodrats, neotoma fuscipes baird, were found in the treatmen ...200919769046
differences in prevalence of borrelia burgdorferi and anaplasma spp. infection among host-seeking dermacentor occidentalis, ixodes pacificus, and ornithodoros coriaceus ticks in northwestern california.previous studies revealed that the pacific coast tick (dermacentor occidentalis) is infected occasionally with the agents of lyme disease (borrelia burgdorferi) or human granulocytic anaplasmosis (anaplasma phagocytophilum) and that it is an inefficient experimental vector of b. burgdorferi. the relationship of the pajahuello tick (ornithodoros coriaceus) to each of these bacterial zoonotic agents has not been reported. the primary bridging vector of both bacterial zoonotic agents to humans is t ...201021359090
co-infection of ornithodoros coriaceus with the relapsing fever spirochete, borrelia coriaceae, and the agent of epizootic bovine abortion.the soft tick, ornithodoros coriaceus (koch) (acari: argasidae), is a common mammalian parasite of livestock in many arid regions of the western u.s.a. the tick is a known vector of the undescribed bacterial pathogen that causes epizootic bovine abortion (eba), which results in late-term abortions in beef cattle and subsequent economic loss, which can be considerable, to producers. a second reported bacterial pathogen, borrelia coriaceae, a member of the relapsing fever complex, has also been id ...201121410735
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