%0 Journal Article
%T USE OF SELECTION INDICES IN BREEDING WORK
%A Efimov, I.A.
%A Usova, T.P.
%A Yudina, O.P.
%K cattle breeding, index, bull, specification, dairy, selective
%J Bulletin Samara State Agricultural Academy
%D 2019
%N 4
%P 6
%I Samara State Agrarian University