Antigen Rapid Test Card is a chromatography immunology for the qualitative detection of H5 AIV antigen in Avian feces. When a sample derived from feces was added into sample-well on the card, it can move along membrane with underlying anti-H5/H7 AIV monoclonal antibody conjugated by colloid gold. If the antigen in the sample, and the detection line of antibodies will show wine red. If no antigen is present in the sample, no color reaction occurs.