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Hemorrhage was induced by the hemorrhagic virus of grass carp (GCHV) in Gobiocypris rarus aged 1-6 months when the temperature was 22-32 o C. The high mortality of the infected fish occurred 6-8 days after infection, and more than 80% of the fish died from the infection. The virus particles which resemble GCHV in size and shape were observed in such organs as intestinal tract, spleen and...
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