New Starch Test Offers More Precision

October 1, 2010 08:58 AM

Source: Forage Genetics International

Forage Genetics International introduces “Calibrate,” a new test that measures ruminal starch digestibility on a proprietary index, rather than total tract digestion. The more precise test allows nutritionists to fine tune dairy rations.

Calibrate estimates the rate of starch digestibility in the rumen on an 11 point scale, ranging from 1 (slow) to 11 (fast). The test allows nutritionists to either add to subtract more starch to the diet from other sources, which keeps a more consistent flow of starch energy in the ration. As a result, cows peak more consistently and achieve more consistent daily milk.

The test will be available through licensed agreements with Forage Genetics International, with testing currently available through Sure-Tech Laboratories and later this fall through Dairyland Laboratories, Inc.

When done periodically, the test allows producers to continually fine-tune rations to improve feed efficiency, more consistent milk and component production. “In fact, of the 20 herds using Calibrate technologies for at least nine months and completing production records, 75% had a return on investment greater than 3:1, with an average ROI greater than 6:1,” says Kevin Leahy, manager of Forage Technical Services at Calibrate technologies.

For more information on the test, go to

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