I. Panfilova , G. ., L. Tretyakova, O. ., S. Degtyar, A. ., N. Nefedova, V. ., & V. Semenchenko, S. . (2021). A Study on the Dynamics of the Development of Red Steppe Cows and Their Ayrshire and Holstein Crossbreeds. KnE Life Sciences, 6(3), 485–491. https://doi.org/10.18502/kls.v0i0.8980