INDIRECT SOLID-PHASE MICRORADIOIMMUNOASSAY FOR DETECTION OF PSEUDORABIES VIRUS-ANTIBODY IN SWINE SERA

  • 1 January 1978
    • journal article
    • research article
    • Vol. 39  (12) , 1955-1957
Abstract
An indirect solid-phase microradioimmunoassay (IRIA) was developed for detection and quantitation of antibodies to pseudorabies virus (PRV) in swine serum. Qualitative results of the IRIA compared closely with results of the serum neutralization test (NT) and the microimmunodiffusion test (MIDT). The IRIA was more sensitive than the NT for detection of antibodies to PRV in swine serum. The IRIA result is expressed numerically. With the IRIA and NT, antibody to PRV was first detectable in 3 experimentally infected pigs at 9 days after inoculation. With the MIDT, antibody was detected in the 3 experimentally infected pigs at 7, 8 and 9 days after inoculation. The IRIA results are obtainable within a few hours; the NT and MIDT require 48 h for completion.

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