Azerbaijani
Albanian
Arabic
Armenian
Azerbaijani
Belarusian
Bengali
Bosnian
Catalan
Czech
Danish
Deutsch
Dutch
English
Estonian
Finnish
Français
Greek
Haitian Creole
Hebrew
Hindi
Hungarian
Icelandic
Indonesian
Irish
Italian
Japanese
Korean
Latvian
Lithuanian
Macedonian
Mongolian
Norwegian
Persian
Polish
Portuguese
Romanian
Russian
Serbian
Slovak
Slovenian
Spanish
Swahili
Swedish
Turkish
Ukrainian
Vietnamese
Български
中文(简体)
中文(繁體)
BMC Veterinary Research 2008-Jun

Bovine epizootic encephalomyelitis caused by Akabane virus in southern Japan.

Yalnız qeydiyyatdan keçmiş istifadəçilər məqalələri tərcümə edə bilərlər
Giriş / Qeydiyyatdan keçin
Bağlantı panoya saxlanılır
Ryota Kono
Miki Hirata
Masaya Kaji
Yukitoshi Goto
Shogo Ikeda
Tohru Yanase
Tomoko Kato
Shogo Tanaka
Toshiyuki Tsutsui
Tadao Imada

Açar sözlər

Mücərrəd

BACKGROUND

Akabane virus is a member of the genus Orthobunyavirus in the family Bunyaviridae. It is transmitted by hematophagous arthropod vectors such as Culicoides biting midges and is widely distributed in temperate to tropical regions of the world. The virus is well known as a teratogenic pathogen which causes abortions, stillbirths, premature births and congenital abnormalities with arthrogryposis-hydranencephaly syndrome in cattle, sheep and goats. On the other hand, it is reported that the virus rarely induces encephalomyelitis in cattle by postnatal infection. A first large-scale epidemic of Akabane viral encephalomyelitis in cattle occurred in the southern part of Japan from summer to autumn in 2006. The aim of this study is to define the epidemiological, pathological and virological properties of the disease.

RESULTS

Nonsuppurative encephalomyelitis was observed in cattle that showed neurological symptoms such as astasia, ataxia, opisthotonus and hypersensitivity in beef and dairy farms by histopathological analysis. Akabane viral antigen and genome were consistently detected from the central nervous system of these animals, and the virus was isolated not only from them but also from the blood samples of clinically healthy calves in the epidemic area. The isolates were classified into genogroup I a containing the Iriki strain, which caused encephalitis of calves almost twenty years ago in Japan. Most of the affected cattle possessed the neutralizing antibody against Akabane virus. Seroconversion of the cohabitated and sentinel cattle in the epidemic area was also confirmed during an outbreak of the disease.

CONCLUSIONS

The ecological and epidemiological data we have obtained so far demonstrated that the Akabane virus is not endemic in Japan. No evidence of Akabane virus circulation was observed in 2005 through nation-wide serological surveillance, suggesting that a new strain belonging to genogroup I a invaded southern Japan from overseas in the summer of 2006 and caused an unprecedented epizootic of encephalomyelitis mainly in susceptible calves. It will be necessary to reconsider the vaccine strategy to control the disease effectually.

Facebook səhifəmizə qoşulun

Elm tərəfindən dəstəklənən ən tam dərman bitkiləri bazası

  • 55 dildə işləyir
  • Elm tərəfindən dəstəklənən bitki mənşəli müalicələr
  • Təsvirə görə otların tanınması
  • İnteraktiv GPS xəritəsi - yerdəki otları etiketləyin (tezliklə)
  • Axtarışınızla əlaqəli elmi nəşrləri oxuyun
  • Təsirlərinə görə dərman bitkilərini axtarın
  • Maraqlarınızı təşkil edin və xəbər araşdırmaları, klinik sınaqlar və patentlər barədə məlumatlı olun

Bir simptom və ya bir xəstəlik yazın və kömək edə biləcək otlar haqqında oxuyun, bir ot yazın və istifadə olunan xəstəliklərə və simptomlara baxın.
* Bütün məlumatlar dərc olunmuş elmi araşdırmalara əsaslanır

Google Play badgeApp Store badge