| 词条 | Nairobi sheep disease orthonairovirus |
| 释义 |
| image = | image_alt = | image_caption = | parent = Orthonairovirus | species = Nairobi sheep disease orthonairovirus | authority = | synonyms =
| synonyms_ref = [1] | subdivision_ranks = | subdivision = }} The Nairobi sheep disease orthonairovirus (NSDV), also known as Ganjam virus is a species in the genus Orthonairovirus belonging to the Nairobi sheep disease serogroup.[2][3] NSDV's known hosts belong to the hard tick family Ixodidae, including Rhipicephalus appendiculatus, and Amblyomma variegatum, and afflict sheep and goats naturally.[2][3][4] SymptomsSymptoms of an animal infected with NSDV may include fever, reduction in white blood cells, rapid respiration, anorexia, profound depression, diarrhea, drop in body temperature, premature abortion, and eventually death.[7] HistoryNSDV was first recognised in 1917 as the causative agent of a disease that was affecting sheep brought up from the Masai region of Kenya for sale in the Nairobi livestock markets, where a 70% mortality rate was recorded for local breeds sheep, but a lower rate for European breeds.[3] Another mortality rate of 90% has been reported, affecting highly susceptible populations.[5] Species affectedSheep and goats are natural reservoirs for NSDV and Ganjam, but fatal cases have also been reported among blue duikers in zoos or in the wild.[4] High morbidity and mortality are seen in both sheep and goats, although goats tend to have less severe clinical signs than sheep.[6] African field rats, langur monkeys and Bonnet macaques have been experimentally inoculated with NSDV and Ganjam virus, with the bonnett monkeys not becoming viremic as result.[4]References1. ^{{cite web |title=ICTV 9th Report (2011) Bunyaviridae |url=https://talk.ictvonline.org/ictv-reports/ictv_9th_report/negative-sense-rna-viruses-2011/w/negrna_viruses/205/bunyaviridae |website=International Committee on Taxonomy of Viruses (ICTV) |accessdate=29 January 2019 |language=en |format=html}} {{Taxonbar|from=Q29002589}}2. ^1 {{cite web|url=https://www.genome.jp/virushostdb/194540|title=Nairobi sheep disease virus|publisher=GenomeNet|accessdate=27 January 2019}} 3. ^1 2 NSDV is enzootic, but transforms into epizootic only when large mobs of susceptible animals are exposed to infection.{{cite web|url=http://web.oie.int/boutique/extrait/09baron411417.pdf|title=Nairobi sheep disease virus/Ganjam virus|publisher=The Pribright Institute|accessdate=28 January 2019}} 4. ^1 2 {{cite web|url=http://www.cfsph.iastate.edu/Factsheets/pdfs/nairobi_sheep_disease.pdf|title=Nairobi Sheep Disease Virus|publisher=Iowa State University of Science and Technology|accessdate=27 January 2019}} 5. ^{{cite journal|title=Nairobi sheep disease|journal=Parassitologia|volume=39|issue=2|pages=95–8|pmid = 9530691|year = 1997|last1 = Davies|first1 = F. G.}} 6. ^1 {{cite web|url=https://www.pirbright.ac.uk/viruses/nairobi-sheep-disease-virus|title=Nairobi sheep disease virus|publisher=The Pirbright Institute|accessdate=27 January 2019}} 1 : Nairoviridae |
| 随便看 |
|
开放百科全书收录14589846条英语、德语、日语等多语种百科知识，基本涵盖了大多数领域的百科知识，是一部内容自由、开放的电子版国际百科全书。