This research aimed for the development of convenient policlonal immunoreagents to be used in an enzyme immunoassay for detection of Salmonella. Six anti-Salmonella antisera were prepared, which contained the following agglutinins: e, h. 1.6; i; 1.2; f,g,s and m,t. The antigens consisted of formolized cultures of four Salmonella serotypes (S. Typhimurium phases 1 and 2, S. Anatum phases 1 and 2, S. Agona and S. Oranienburg), grown in tryptic soy broth. An indirect-type immunoassay was used, employing anti-IgG-peroxidase as conjugate and OPD-H2O2 as chromogen. These tests were developed with individual and polivalent sera (pool of the individual sera), absorbed and non-absorbed with cultures of Salmonella and other enterobacteria. Absorption eliminated the cross reactions with enterobacteria, presented by some individual sera and by the polivalent serum. The best performance in the immunoassay was achieved by the non-absorbed f,g,s and by the absorbed polivalent sera.
antibodies; Salmonella; enzyme immunoassay
