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  • Title: Quantitation of hemorrhagic enteritis virus antigen and antibody using enzyme-linked immunosorbent assays.
    Author: van den Hurk JV.
    Journal: Avian Dis; 1986; 30(4):662-71. PubMed ID: 3028352.
    Abstract:
    Enzyme-linked immunosorbent assays (ELISAs) were developed to quantitate hemorrhagic enteritis virus (HEV) antibodies in turkey sera and HEV antigens in tissue extracts. These assays were more sensitive than the commonly used agar-gel precipitin tests in detecting antigen and antibody. The antibody-ELISA was used to monitor the presence and decline of passive antibodies in turkey poults and the seroconversion of turkeys infected with HEV. The antigen-ELISA was carried out using a monoclonal antibody; this test was used to quantitate HEV antigen in experimentally infected turkeys in a time-sequence experiment. Both ELISAs measured a strong antigenic relationship between an avirulent strain (HEV-A) and a virulent strain (HEV-V).
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