About DHI

ADGA DHIR (Dairy Herd Improvement Registry) is a registry involvement with the Dairy Herd Improvement program. The DHI program is a system of statistically measuring a lactation by obtaining monthly or frequently spaced milk weights and sampling the milk for components. The reporting is provided to the registry for DHIR recognition at many levels, the *M program, performance information such as yearly and lifetime production, genetic evaluation, Superior Genetics (if combined with Linear Appraisal) and Breed Leader (Top Ten) recognition.