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  • Title: Studies on the detection of antibody to duck hepatitis virus by enzyme-linked immunosorbent assay.
    Author: Zhao XL, Phillips RM, Li GD, Zhong AQ.
    Journal: Avian Dis; 1991; 35(4):778-82. PubMed ID: 1786011.
    Abstract:
    An indirect enzyme-linked immunosorbent assay (ELISA) for the detection of antibody to duck hepatitis virus (DHV) is described. The results of ELISA were compared with those of an agar gel diffusion precipitin (AGDP) test and a serum-neutralization (SN) test. The specificity of the ELISA was in accordance with the specificity of the AGDP and SN tests, but there was a difference in sensitivity. The positive detection rates of ELISA, SN test, and AGDP test for 93 clinical samples were 68.8%, 68.8%, and 18.8%, respectively. A positive/negative (P/N) value larger than or equal to 2.1 plus an absorbance value larger than or equal to 0.4 was used as a comprehensive positive standard for the ELISA. This eliminated false-positive reactions. The results showed that the ELISA was a rapid, sensitive, and accurate method for detecting antibody to DHV.
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