title: [Selection in "hybrid" cattle populations].
abstract: Natural selection in populations of cattle was studied. Heterozygosity level, pure-blooded proportion, stabilizing selection, and directional selection II acted as quantitative traits. Changes in the proportion of pure bloods with time were found, something not taken into account in breeding practice.
authors.forename: S K
authors.initials: SK
authors.lastname: Okhapkin
authors.forename: A V
authors.initials: AV
authors.lastname: Proniaev
authors.forename: Iu I
authors.initials: IuI
authors.lastname: Rozhkov
mesh_terms: D000483:Alleles; D000818:Animals; D002417:Cattle / Q000235:genetics*; D003433:Crosses, Genetic; D006579:Heterozygote; D012641:Selection, Genetic
vernacular_title: Otbor v "gibridnykh" populiatsiiakh krupnogo rogatogo skota.