was added 200 ml BPW and pre-enriched at 37 C for 16e24 h. For selective culturing of Salmonella, 0.1 ml BPW culture was applied to Modified Semisolid RappaportVassiliadis medium (MSRV) (Oxoid CM910 or equivalent) and incubated at 41e42 C for 18e24 h.