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Volume 06 Issue 1
February 1991
    Citation: LI Qiu-Xiang, ZHENG Yu-Ting, LI Dong-Tian, TIAN Jin-Xia, ZHANG Hao, WANG Li-Jun, REN Zhong-Yuan, LI Bo-Zhao, ZHANG Sheng-Fu. A Study on Natural Infection and Vertical Transmission of DHBV in Ducks .VIROLOGICA SINICA, 1991, 6(1) : 15.
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    A Study on Natural Infection and Vertical Transmission of DHBV in Ducks

    • 1.

      Department of Microbiogy

    • 2.

      Tianjin Medical College

    • 3.

      Tianjin 360070Duck-breeding farm

    • Available online: 05 March 1991
    • DHBV in duck serum is assayed by α-~(32)P-DHBV DNA probe hybridization. It is found that the rate of DHBV viremia in hybrid from Beijing duck and Cherry valley duck was 5.1％, whereas in Gauyou local ducks was32.7-58.8％.Positive sera are confirmed by EM. The virion of DHBV is characterized. Ducks are divided into four groups. The rate of DHBV viremia in tile ducklings hatched from different groups is detected, Group 1 (F~-,M~-) is 0％, Group 2(F~+, M~+)100％, Group 3(F~-, M~+)28％, and Group 4(F~+, M~-)100％. By...
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      A Study on Natural Infection and Vertical Transmission of DHBV in Ducks

      • 1. Department of Microbiogy
      • 2. Tianjin Medical College
      • 3. Tianjin 360070Duck-breeding farm

      Abstract: DHBV in duck serum is assayed by α-~(32)P-DHBV DNA probe hybridization. It is found that the rate of DHBV viremia in hybrid from Beijing duck and Cherry valley duck was 5.1％, whereas in Gauyou local ducks was32.7-58.8％.Positive sera are confirmed by EM. The virion of DHBV is characterized. Ducks are divided into four groups. The rate of DHBV viremia in tile ducklings hatched from different groups is detected, Group 1 (F~-,M~-) is 0％, Group 2(F~+, M~+)100％, Group 3(F~-, M~+)28％, and Group 4(F~+, M~-)100％. By...

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