Welper, R D Genetic parameters for yield traits of Holsteins, including lactose and somatic cell score. [electronic resource] - Journal of dairy science May 1992 - 1342-8 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 0022-0302 Standard No.: 10.3168/jds.S0022-0302(92)77885-0 doi Subjects--Topical Terms: AnimalsBreedingCattle--geneticsCell Count--veterinaryFemaleLactation--geneticsLactose--analysisLipids--analysisMaleMilk--analysisMilk Proteins--analysisPhenotype