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DHIANational Dairy Herd Improvement Association (aka Dairy Herd Information Association; Verona, WI)
References in periodicals archive ?
My display also included butterfat testing equipment, DHIA record books, two tabletop milk separators (both Montgomery Ward), five milk cans, each stamped by different creameries, and miscellaneous dairy items.
Prior to DHIA milk testing, records of butter and milk production were recorded by individual breeders.
The DHIA in Minnesota conducted a test with 20 milk scales.