Age Correction Factors for Type Traits in Holstein Cows
- 1 September 1973
- journal article
- Published by American Dairy Science Association in Journal of Dairy Science
- Vol. 56 (9) , 1178-1180
- https://doi.org/10.3168/jds.s0022-0302(73)85330-5
Abstract
Multiplieative age correction factors were developed for overall type rating and the four scorecard components of type as scored in the official classification program of the Holstein-Friesian Asso- ciation of America. The gross comparison method employed first available classifi- cation records of 336,253 registered Hol- stein cows classified from January, 1967, through September, 1971.Keywords
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