Chernyavska, T.O. and Malikova, A.I. 2024. INVESTIGATION OF THE INFLUENCE OF THE BETA-LACTOGLOBULIN GENE GENOTYPE ON THE QUALITY COMPOSITION OF MILK IN PRIMARY-STOCKS OF THE SUMS DOMESTIC BREED TYPE OF THE UKRAINIAN BLACK-SPOTTED DAIRY BREED. Bulletin of Sumy National Agrarian University. The series: Livestock. 3 (Oct. 2024), 116-120. DOI:https://doi.org/10.32782/bsnau.lvst.2024.3.15.