TY JOUR TI REFERENCE INTERVALS OF MICROELEMENTS CONCENTRATION IN THE CATTLE TESTES WITH PARATYPIC FACTORS CONSIDERATION KW cattle KW Hereford breed KW testes KW manganese KW iron KW zinc JO Bulletin of KSAU AU Narozhnykh, K.N. PY 2023 IS 0 PB Krasnoyarsk State Agrarian University