Sauxanov Janibek Kazievich and Beknazarova Gulnara Jumabaevna 2024. ECONOMIC-MATHEMATICAL MODELS OF DEVELOPMENT OF OPTIMAL FEED RATION FOR LIVESTOCK. International Journal Of Management And Economics Fundamental. 4, 01 (Jan. 2024), 52–54. DOI:https://doi.org/10.37547/ijmef/Volume04Issue01-09.