The MISCO Digital-Dairy Refractometers are handheld refractometers designed for use on professional dairy farms and calf ranches. Rugged enough to withstand the demands of farm use, yet precise enough to give laboratory quality results, the MISCO Digital-Dairy Refractometers can provide reliable estimates of  colostrum quality, IgG blood levels, percent solids in waste milk and calf hydration. They are easy to use and require little or no training. Learn More