TY JOUR TI MICROELEMENT FEEDING EFFICIENCY TO PREGNANT BALBAS BREED EWES IN THE CONDITIONS OF THE NAKHICHEVAN AUTONOMOUS REPUBLIC KW trace elements KW live weight KW pregnant sheep KW cobalt chloride KW copper sulphate KW potassium iodide KW fertility JO Bulletin of KSAU AU Ibrahimov, A.V. PY 2022 IS 0 PB Krasnoyarsk State Agrarian University