TY JOUR TI DEVELOPMENT OF AN RAW MATERIAL CONVEYOR OPTIMAL SCHEME FOR ARID CONDITIONS OF THE ASTRAKHAN REGION KW raw materials conveyor KW dairy cattle breeding KW complete feed supply KW arid zone JO Bulletin of KSAU AU Aitpaeva, A.. AU Tyutyuma, N.V. AU Kadraliev, D.S. AU Bespalova, O.N. AU Zimina, Z.A. PY 2023 IS 0 PB Krasnoyarsk State Agrarian University