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The livers from 50 brown hares (Lepus europaeus) were examined by electron microscopy for calicivirus-like particles typical of the virus of European brown hare syndrome (EBHS). The virus was visible in 23 of the livers which included four taken from hares which died in 1982 and 1985 and which had been stored at -20 degrees C. The clinical histories, post(More)
Haemagglutination and ELISA tests, and negative contrast electron microscopy, have been used to identify rabbit haemorrhagic disease virus in naturally occurring cases of the disease and in experimentally infected rabbits in the United Kingdom. Haemagglutination tests alone are not satisfactory for the diagnosis because non-haemagglutinating isolates of the(More)
A variant strain of rabbit haemorrhagic disease virus, designated "Rainham', originally isolated from a small localized outbreak of the disease in southern England, has been further examined and compared with conventional reference strains. The virus originally failed to haemagglutinate in standard conditions at normal temperature and consistently lacked HA(More)
Comparative antigenic and nuclei acid analyses were carried out on two new atypical rotavirus isolates coming respectively from chickens (D/132) and pigs (E/DC-9). Indirect immunofluorescence showed that each virus carried different group antigens which were also distinct from those of previously described rotavirus groups. By genome profile analysis each(More)
Two independent isolates of an unusual type of rotavirus were obtained from over 900 faecal samples obtained from piglets with diarrhoea. Genome profiles, containing eleven segments, were not characteristic of group A electropherotypes and corresponded to an atypical virus. The profiles were, however, distinct from those of other previously described(More)
Colostrum-deprived lambs experimentally infected with an atypical ovine rotavirus isolated from naturally scouring animals, and a naturally infected colostrum-deprived lamb, were examined by immunofluorescence and immunoperoxidase labelling, and electron microscopy. A hyperimmune serum to the virus was produced in a gnotobiotic lamb and used to demonstrate(More)
Virus particles, morphologically indistinguishable from maedi-visna virus or caprine arthritis-encephalitis virus, were detected in tissue explant cultures prepared post mortem from a goat with joint, lung and kidney lesions similar to those associated with the caprine arthritis-encephalitis complex. Serum from this goat and others in its herd of origin(More)
Enzyme-linked immunosorbent assay (ELISA) was compared with electron microscopy in the examination of faeces from experimental calves and showed 100 per cent agreement in the detection of 19 bovine coronavirus and 15 bovine rotavirus electron microscope positive samples. In a limited field survey of calf diarrhoea 75 selected faeces were examined(More)
Adult wild rabbits from the southern UK, previously unexposed to rabbit haemorrhagic disease (RHD), were experimentally challenged with a UK strain of the virus in laboratory conditions. Initial serum antibodies were measured by an haemagglutination inhibition test and all seropositive rabbits, with reciprocal titres > 10, were protected against fatal(More)