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Washed Cow Blood Agar

$1.45

Purpose:

This is the primary isolation agar used for cultivating a wide range of mastitis organisms from individual cow and bulk tank milk samples.

Udder Health Systems is offering these organisms for Quality Control. Organisms are shipped out on agar plates Next Day Fed Ex.

Category:

Description

This cherry red, translucent agar is prepared from a blood agar base with the addition of 5% washed bovine erythrocytes and ½ strength esculin.  This blood agar has been formulated to enhance the detection of Staphylococcus aureus Alpha and Beta hemolysin when present. The addition of esculin enhances the capability of differentiating Streptococci.  Certain Streptococci will hydrolyze esculin, causing a mild background blackening for E-strep and a mild greening or no background coloration for suspect Streptococcus agalactiae and most Streptococcus dysgalactiae organisms.  All suspect Streptococcus agalactiae organisms would be moved to our special Camp media.  UHS blood agar will support good growth of a wide variety of fastidious microorganisms.  When reading this agar, anticipate esculin hydrolysis on some coliforms as well.

Refer to table on back for expected culture responses.

 

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

Additional information

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

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