The effect of local minerals on the productivity of meat chickensKhanibek Daurenbekov, Aset Zhilkibaev, Bauyrzhan Asylbekov, Lazzat Fayzullayeva and Aksaule IskakovaE3S Web Conf., 614 (2025) 03003DOI: https://doi.org/10.1051/e3sconf/202561403003