Ngwa a gbadoro ụkwụ na teknụzụ immunochromatography na-asọmpi na-apụtaghị ìhè, nke Chloramphenicol & Dexamethasone n'ime sample na-asọ mpi maka ọla edo colloid akpọrọ antibody nwere Chloramphenicol & Dexamethasone njikọ antigen ewepụtara n'ahịrị ule. Enwere ike ịlele nsonaazụ ule site na anya gba ọtọ.