Le khithi isekelwe kubuchwepheshe bokuncintisana obungaqondile be-immunochromatography, lapho i-Clenbuterol & Ractopamine & Salbutamol kusampula iqhudelana ngegolide le-colloid elibhalwe ukuthi i-antibody ene-Clenbuterol & Ractopamine & Salbutamol yokuhlanganisa i-antigen ethathwe kulayini wokuhlola. Umphumela wokuhlolwa ungabukwa ngeso lenyama.