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Clinical sample (faeces, tissues, milk, urine, exudates, uterine discharges)

Clinical sample (faeces, tissues, milk, urine, exudates, uterine discharges). MacConkey negative or oxidase positive. Not Entero-bacteriaceae. Culture on blood and MacConkey agars (24-48h @ 37 °C ) + Oxidase. MacConkey positive and oxidase negative. Presumably Enterobacteriaceaea. Gram stain.

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Clinical sample (faeces, tissues, milk, urine, exudates, uterine discharges)

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  1. Clinical sample (faeces, tissues, milk, urine, exudates, uterine discharges) MacConkey negative or oxidase positive Not Entero-bacteriaceae Culture on blood and MacConkey agars (24-48h @ 37°C) + Oxidase MacConkey positive and oxidase negative Presumably Enterobacteriaceaea Gram stain Gram negative rods Pale colonies (non-lactose fermenters) Pale colonies (non-lactose fermenters) Growth on MacConkey TSI: R/Y/H2S+ IMViC -/+/-/+ Salmonella TSI: R/Y/H2S+ IMViC +/+/-/- Escherichia.coli IMViC +/+/-/- Edwardsiella Swarming Foul odour H2S+ Urease + Proteus IMViC -/-/+/+ Non-motile Mucoid colonies Klebsiella IMViC +/+/-/- Urease + Morganella IMViC +/+/-/+ Urease + Citrobacter Enterobacter IMViC -/-/+/+ Mucoid colonies Yersinia IMViC -/+/-/-

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