Determine the herd’s individual cut-off limit and implement a colostrum strategy that uses the best possible colostrum available in the individual herd. A Brix value of 22% corresponds to 50 mg/mL, meaning colostrum with a Brix value above this cutoff point can be considered high quality colostrum.

• Refractometer should be kept free from any visual dirt

• Calibrate the Refractometer using distilled water before each use.  If the scale does not read zero (i.e. at the bottom of the blue section) adjust using the calibration screw

• Hold the refractometer up yo natural light while looking down the eye piece

• Always wipe the slide and glass surface clean with a clean soft clothpfter a reading