نتایج جستجو برای: اورنیتودوروس اراتیکوس ornithodorus erraticus
تعداد نتایج: 142 فیلتر نتایج به سال:
Herrero N, Pérez R, Oleaga A, Zabalgogeazcoa I. 2011. Tick pathogenicity, thermal tolerance and virus infection in Tolypocladium cylindrosporum. Annals of Applied Biology 159:192-201. Tolypocladium cylindrosporum is a fungus which has been isolated from soil, from asymptomatic plants as an endophyte, and has been shown to be pathogenic to several species of arthropods. The objective of the pres...
With regard to epizootiology, diseased pigs are the major source of direct infection, while indirect spread is mainly caused by pork pro ducts and mechanical vectors. Information about the role of virus car riers in transmission of the infection is insufficient, but the role of ticks (Ornithodorus genus) and of wild pigs as virus reservoirs is well docu mented. The incidence and distribution...
چکیده ندارد.
The rapid spread of West Nile viral activity across North America since its discovery in 1999 illustrates the potential for an exotic arbovirus to be introduced and widely established across North America. Rift Valley fever virus (RVFV) has been responsible for large outbreaks in Africa that have resulted in hundreds of thousands of human infections and major economic disruption due to loss of ...
Culex erraticus (Dyar & Knab) is a potential competent vector for several arboviruses such as Eastern and Venezuelan equine encephalitis viruses and West Nile virus. It therefore may play a role in the maintenance and spread of viral populations in areas of concern, including the United States where it occurs in >33 states. However, little information is available on potential barriers to movem...
Right whales carry large populations of three 'whale lice' (Cyamus ovalis, Cyamus gracilis, Cyamus erraticus) that have no other hosts. We used sequence variation in the mitochondrial COI gene to ask (i) whether cyamid population structures might reveal associations among right whale individuals and subpopulations, (ii) whether the divergences of the three nominally conspecific cyamid species o...
The hematophagous soft tick Ornithodoros erraticus feeds nocturnally on multiple warm-blooded vertebrate hosts. This tick is often found living buried in the soil of traditional pigpens. O. erraticus is an important infectious disease vector both for humans and animals. In the Iberian Peninsula, this tick serves as the vector of human tick-borne relapsing fever caused by the spirochete Borrelia...
In 2006, 2,817 blood-fed mosquitoes were collected from the site of a 2005 eastern equine encephalitis outbreak in Chester County, TN. Using a polymerase chain reaction-based assay, 264 vertebrate hosts were identified from seven mosquito species. Culex erraticus and Cx. nigripalpus fed on a diversity of mammalian, avian, and reptilian hosts, whereas Anopheles quadrimaculatus and An. punctipenn...
برای تعیین پراکندگی، وفور و آلودگی کنه های نرم (آرگازیده) در شهرستان خلخال، 13 روستا از 7 دهستان بطور تصادفی انتخاب گردید. برای نمونه برداری از اماکن هر روستا 10 مکان شامل 5 اتاق و 5 اصطبل در 5 جهت (شمال، جنوب، شرق، غرب و مرکز) انتخاب گردید که در هر مکان نمونه برداری در مدت 1 ساعت، به روش مستقیم و بوسیله پنس (hand-catch) انجام شد. در این بررسی جمعا 1421 کنه نرم از اماکن داخلی جمع آوری شد و ...
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