Le khithi isuselwe kubuchwepheshe bokuncintisana obungaqondile be-immunochromatography, lapho i-Tylosin & Tilmicosin kusampula iqhudelana ngegolide elicwengekileyo elibhalwe ukuthi i-antibody ene-Tylosin & Tilmicosin ehlanganisa i-antigen ethathwe kulayini wokuhlola. Umphumela wokuhlolwa ungabukwa ngeso lenyama.