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Salt Agar



This is a specialized indicator agar for the selection of all Staphylococci from bulk tank milk samples and enhanced detection of Staphylococcus aureus.



This crimson red, translucent agar is prepared from a Mannitol Salt agar base with the addition of 5% washed bovine erythrocytes.  This agar has been formulated to enhance the detection of Staphylococcus aureus when present. The addition of blood to the agar provides the capability of differentiating Staphylococci using hemolysin patterns.  All suspect Staphylococcus aureus suspects should be coagulase tested.  UHS Salt agar will support good growth of Staphylococci, while the salt content will inhibit most other bacteria. In order to provide the best quality agar possible, this product is made to order.

Refer to table on back for expected culture responses.


Organism Growth Reaction
Strep. agalactiae Inhibited
Staph. aureus Excellent Yellow
Hemolysin variable
Mycoplasma Not Applicable
Strep. dysgalactiae Inhibited
Strep. uberis Inhibited
E- strep Weak Clear
Staph. species Excellent Yellow
E. Coli Inhibited
Klebsiella pneumoniae Inhibited
Klebsiella species Inhibited
Pseudomonas species Inhibited
Pseudomonas aeruginosa Inhibited
Pasteurella Inhibited
Proteus Inhibited
Serratia Inhibited
Bacillus Inhibited
Yeast Inhibited
Mold Inhibited
Nocardia Inhibited
Prototheca Inhibited
Trueperella pyogenes Inhibited
C. bovis Inhibited

Additional information

Weight .06 lbs
Dimensions 3.5 × 3.5 × .5 in


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