Khmelnychyi , L., Vechorka , V., Shpetnyi , M., Bordunova , O., Pavlenko , J. and Opara , V. 2020. Fattening and slaughter qualities of pigs of different weight categories grown up in pens on a polymeric and concrete floor. Bulletin of Sumy National Agrarian University. The series: Livestock. 1 (40) (Feb. 2020), 3-10. DOI:https://doi.org/10.32845/bsnau.lvst.2020.1.1.