Tsereniuk , A., Martyniuk І., Akimov , A. and Vechorka , V. 2020. Coefficients of Welsh sows SIRQS-index phenotypic consolidation . Bulletin of Sumy National Agrarian University. The series: Livestock. 2 (41) (Oct. 2020), 86-91. DOI:https://doi.org/10.32845/bsnau.lvst.2020.2.14.