TY JOUR TI PRODUCTIVE AND BIOLOGICAL INDICES OF "ISA" CROSSING BROILERS WHEN INCLUDING THE KHAKASS BENTONITES INTO THEIR DIETS KW bentonites KW broilers KW growth intensity KW livestock preservation KW hematologic indicators KW optimum dose JO Bulletin of KSAU AU Ekkert, L.N. AU Sidorova, A.L. PY 2013 IS PB Krasnoyarsk State Agrarian University