Gaois

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  1. AGRICULTURE, FORESTRY AND FISHERIES|agricultural activity|animal health

    #642935

    IATE #3510100
    víreas ilphasanna trí uibheacha Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    high egg passage virus | HEP
    en
    Definition living Flury strain rabies virus injected into embryonate eggs, transferred numerous (around 200) times to fresh growth medium, making it innocuous, and then injected into a host (usually cattle or cats), making that host immune to rabies infection Reference "COM-EN, based on Koprowski, H (1954), 'Biological modification of rabies virus as a result of its adaptation to chicks and developing chick embryos', in Bulletin of the World Health Organization, Vol. 10, pp. 709-724, http://whqlibdoc.who.int/bulletin/1954/Vol10/Vol10-No5/bulletin_1954_10(5)_709-724.pdf [12.6.2012] and Walker, VCR & Crawley, JF (1959), 'The immunizing value of high egg passage Flury rabies virus and its use in combination with the virus of canine distemper', in Can. J. Comp. Med. Vet. Sci., 1959 February, Vol. 23(2), pp. 50-55, http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1581491/?page=2 [12.6.2012]."
    Comment By contrast, viruses transferred to new growth media fewer times (around 50) are referred to as low egg passage (LEP) viruses. With this number of egg passages, the virus is nonpathogenic in dogs but retains some pathogenicity for cattle and cats.