Preventive efficiency of the dry alive сultural vaccine against infectious rhinotracheitis and bovine viral diarrhea Journal title: Бюлетень "Ветеринарна біотехнологія" Authors: Peter Krasochko, Yaroslav Yaromchyk, P.P. Krasochko, N.V. Sinitsa, Y.A. Shashkova, Serghiy Nychyk Subject(s):