The accuracy and variability of forage test results have long been debated among growers, dairymen and forage analysis labs. Last fall, two university forage specialists, with support from grower groups, took on the task of testing about a quarter of the labs certified by the National Forage Testing Association. The result? Labs do produce variability, and some more than others.

To learn more, visit or pick up a copy of Hay & Forage Grower’s May issue and read “Insight From Blind Samples.” Then consider telling other Hay & Forage Grower readers your experiences with forage tests. Do you believe the results you get back are accurate? Do they coincide with the results your buyer gets from another lab? Send us an email at and we’ll share your comments with those of others on our Web site,