TY JOUR TI THEORETICAL FOUNDATIONS OF CULTIVATION OF SINGLE-SPECIES AND MIXED CROPS OF THE EASTERN GOAT, TAKING INTO ACCOUNT THE OPTIMIZATION OF MINERAL NUTRITION KW oriental goat KW botanical composition KW nutritional value of feed KW digestible protein KW sugar-protein ratio JO Agrobiotechnologies and digital farming AU Vafina, L.T. AU Minikaev, R.V. AU Vafin, N.F. AU Sochneva, S.. PY 2023 IS 2 PB Kazan state agrarian University