A comparison of correlations between the quantitative characteristics of two local strains of the black pied breed of cattle.
D000818:Animals; D001835:Body Weight; D001947:Breeding; D002417:Cattle; D005163:Factor Analysis, Statistical; D005260:Female; D005838:Genotype; D008297:Male; D008892:Milk; D010641:Phenotype; D011247:Pregnancy; D012641:Selection, Genetic