00623naa#a2200205#i#450# EN\\bibl\79490 20260219164003.4 1819-4036 20160925b2016####ek#y0engy0150####ca RUS RU THE DANGER OF MIXED VIRAL INFECTIONS IN CALVES OF YOUNGER AGE GROUP KEPT IN LIVESTOCK FARMS Journal article Krasnoyarsk Krasnoyarsk State Agrarian University 2016 5 с. Journal article local . 636.2:579:619 RUS Belousova E V Chkhenkeli V A Kalinovich A E vestnik.kgau.ru