[Kinetics and persistence of neutralizing antibodies against bovine viral diarrhea virus-1 and -2 and border disease virus after two step vaccination of cattle].
The aim of the study was the assessment of rise and persistence of neutralizing antibodies (nAb) to bovine viral diarrhea virus (BVDV) and border disease virus (BDV) after a two step vaccination using an inactivated BVDV/BDV (Mucobovin) and a modified live BVDV vaccine (Vacoviron). In a first experiment eight heifers were kept in isolation and were serologically surveyed regularly over a three year period after vaccination. The same experiment was done with 80 vaccinated cattle kept under field conditions. Neutralizing antibody titres were monitored using homologous as well as heterologous BVDV and one BDV strain, respectively. Maximum titres were obtained two to three months after vaccination. During the three years of monitoring the antibody titres decreased but never fell below the detection limit. This slow antibody regression demonstrates that a single two step vaccination elicited high nAb titres which persist over at least three years. These results might serve as a decision tool when considering the necessity and time of revaccination of cattle, which have been vaccinated using the two step method.
Oguzoglu
T C
TC
Institut für Virologie, Tierärztliche Hochschule Hannover.
Frey
H R
HR
Eicken
K
K
Grummer
B
B
Liess
B
B
Moennig
V
V
D000818:Animals; D000914:Antibodies, Viral / Q000097:blood*; D000917:Antibody Formation; D000918:Antibody Specificity; D001882:Border Disease / Q000517:prevention & control*; D018083:Border disease virus / Q000276:immunology*; D001912:Bovine Virus Diarrhea-Mucosal Disease / Q000517:prevention & control; D002417:Cattle; D002418:Cattle Diseases / Q000517:prevention & control*; D030241:Diarrhea Virus 1, Bovine Viral / Q000276:immunology*; D030242:Diarrhea Virus 2, Bovine Viral / Q000276:immunology*; D005260:Female; D009500:Neutralization Tests / Q000662:veterinary; D013997:Time Factors; D014765:Viral Vaccines / Q000276:immunology*
D000914:Antibodies, Viral; D014765:Viral Vaccines