Zhyzhka , S. and Povod , N. (2020) “Influence of negative and uniform pressure ventilation systems in piggeries for suckling sows of irish origin on their reproductive qualities”, Bulletin of Sumy National Agrarian University. The series: Livestock, (1 (40), pp. 49-58. doi: 10.32845/bsnau.lvst.2020.1.8.