visna virus

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vis·na vi·rus

an RNA virus a Lentivirus (family Retroviridae) that causes visna; it is closely related antigenically to the similar maedi virus.
References in periodicals archive ?
Colina inherited a flock of mainly Lleyn cross ewes, although an issue with Maedi Visna (MV) meant a fairly extensive culling programme.
Tenders are invited for acquisition of 220,000 determinations for the diagnosis of maedi / visna diseases in sheep and caprine arthritis encephalitis in goats using the elisa technique (110,000 determinations for the year 2019 and 110,000 determinations for the year 2020).
Molecular characterization and phylogenetic study of Maedi Visna and Caprine Arthritis Encephalitis viral sequences in sheep and goats from Spain.
The results of this report, which is part of the project "Gender and Leadership in the Maghreb and the Mashreq" implemented by UN Women, in partnership with the Prime Ministry and with the financial support of the Ministry of Foreign Affairs and International Development of the French Republic (MAEDI), indicate that one in four women having a job in 2016 works in the public service, i.e.
Indirect CAEV ELISA commercial kits (ID Screen(r) Maedi Visna / CAEV Indirect ELISA kit) and BTV commercially-competition ELISA kits (ID Screen(r) Bluetongue Competition ELISA kit (c-ELISA) were used to detect CAEV and BTV antibody in goat sera.
It is being implemented in Pakistan by HEC and in France by the Ministry of Foreign Affairs and International Development (MAEDI) and the Ministry of Higher Education and Research (MESR).
This "giant" ministry, renamed the Ministry for Foreign Affairs and International Development (MAEDI) was now geared to tackle France's needs in the diplomatic and especially the economic areas.
The exhibition was designed in collaboration with Agence Francaise de Developpement, the French Ministry of Foreign Affairs and International Development (MAEDI) and LPO (the partner of BirdLife International in France).
Visna presents with neurological symptoms, while Maedi exhibits in a respiratory form.
VETS from Scotland's Rural College are today appealing to sheep farmers across Wales and the UK to be alert to an increasing threat from an incurable viral disease of sheep, called Maedi Visna (MV) infection.
La enfermedad Maedi-Visna (MV o neumonia progresiva ovina en espanol) inicialmente se describio como dos procesos distintos, disnea (en islandes "Maedi") y perdida de peso (en islandes "Visna"), comprobandose posteriormente que estaban producidas por el mismo virus, el Virus de Maedi-Visna (MVV).
Vets from Scotland's Rural College claim that many farmers are failing to appreciate the danger that Maedi Visna (MV) poses to all sheep breeds.