E-viri
-
Furowicz, A.J; Misiura, M; Kamieniecki, H; Wojcik, J. (Akademia Rolnicza, Szczecin (Poland))
Zeszyty Naukowe Akademii Rolniczej w Szczecinie. Zootechnika (Poland), (1991) 148Journal Article
Two experiments on pregnant cows were carried out. Inactivated strains of Moraxella bovis were used in aerosol or hypodermic vaccine. Cows at 6.5 and 8 months of pregnancy and their calves in 5-6 weeks of life were immunized. The high level of the specific anti- Moraxella bovis antibodies in cows and calves was stated. No differences between efficiency of two vaccines were observed
