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The main difficulties in conductance medium development are to allow Salmonella to grow and produce a conductance signal while impeding growth of related species such as Escherichia coli and Citrobacter freundii. Various selective agents were screened for these capacities and a new medium was derived, named KIMAN (Whitley Impedance Broth basal medium supplemented with three selective components: novobiocin, malachite green and potassium iodide). This medium supported the growth of Salmonella serotypes and inhibited non-salmonella strains in pure cultures.
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Blivet et al. (1998) studied this question.
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