ESTIMATION OF ROTAVIRUS ANTIBODIES IN VACCINATED CATTLE AND THEIR NEONATES

Document Type : Original Article

Authors

1 Animal Health Research Institute, Dokki

2 Virology Department., Faculty of Veterinary Medicine, Cairo University, 12211 Giza, Egypt

3 General Organization for Veterinary Services

Abstract

Antibody response of pregnant cattle and their neonates to bovine rotavirus was estimated by ELISA. The dams have received two doses of commercial trivalent vaccine (Scour Guard 3"K", killed bovine Rota-Corona viruses and E. coli Bactrian) 8-10 weeks before delivery. Sera of immunized dams showed high antibody levels with titer ranges from 1,00 to 9,000 and from 2,000 to 27,000 at 14 days' post vaccination and 14 days' post boosting respectively. Calves delivered from vaccinated dams gave a high antibody titer of 8515 if compared to a titer of 1042 given by calves delivered from non-vaccinated dams. Colostrum of vaccinated dams exhibited a good ELISA reactivates with a titer of 13254, while that of non-vaccinated dams gave a titer of 2491.

Main Subjects