Khmelnychyi, L., & Bondarchuk, L. (2019). Variability of linear conformation traits of the first-calf cows of Sumy intrabreed type of the Ukrainian Black-and-White dairy breed by different variants of selection of genealogical formations. Bulletin of Sumy National Agrarian University. The Series: Livestock, (4(39), 3-12. https://doi.org/10.32845/bsnau.lvst.2019.4.1