serologic tests in which a known quantity of antigen is added to the serum prior to the addition of a red cell suspension. Reaction result is expressed as the smallest amount of antigen which causes complete inhibition of hemagglutination.
material to be tested andintranet.tdmu.edu.ua
HI tests may also be carriedwww.poultry-health.com
Components of the HI Assaywww.cdc.gov
Last update: September 2014