Povod, M., R. Shvachka, O. Mykhalko, and K. Yurieva. 2019. “Productive Qualities of Sows and Their Posterity Depending on the Duration of the Suspension Period”. Bulletin of Sumy National Agrarian University. The Series: Livestock, no. 4(39) (December), 72-84. https://doi.org/10.32845/bsnau.lvst.2019.4.11.