TY JOUR TI ANALYSIS OF TECHNICAL DECISIONS IN OPTIMIZATION OF MILK CATTLE FACILITIES IN CONSTRUCTION AND RECONSTRUCTION OF ANIMAL FARMS KW optimization KW microclimate KW cow-house KW maintenance KW cows KW comfortable conditions. JO Vestnik of Kazan State Agrarian University AU Ziganshin, B.G. AU Shaydullin, R.R. AU Valiev, A.R. AU Moskvicheva , A.. AU Sitdikov, F.F. AU Haydenrayh, T.. PY 2018 IS 13 PB Kazan state agrarian University