Shelyov, A., Kopylov, K., Vdovychenko, Y., Kramarenko, S. and Kramarenko, O. 2021. Formation of the genetic structure of cattle populations by single locus DNA fragments depending on their productivity direction and origin. Agricultural Science and Practice. 8, 3 (Dec. 2021), 35-49. DOI:https://doi.org/10.15407/agrisp8.03.035.