Merck Manual

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Properties of B avium and B hinzii

Properties of B avium and B hinzii

Test

B avium

B hinzii

Oxidase

Positive

Positive

Catalase

Positive

Positive

Urease

Negative

Variablea

Nitrate reduced to nitrite

Negative

Negative

Triple sugar iron agar

Alkaline slant, no change in butt

Alkaline slant, alkaline butt

Alkali production from malonamide

Negative

Positive

Alkali production from malonate

Negative

Positive

Alkali production from valerate

Negative

Positive

Hemagglutination of guinea pig erythrocytes

Positive

Negative

aMost isolates are negative, but some may test positively depending on the method used.