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Serological Responses In Yong Cattle And Buffalo To Two Different Vaccination Regimes In Villages In Nortern Thailand, P.C. Cleland, P. Chammanpood, M.D. Robertson, F.C. Baldock, L.J. Gleeson

The Thai Journal of Veterinary Medicine

A 210-day trial was undertaken in northern Thailand to compare the serological responses of 6 to 18 month-old cattle and buffalo to 2 different vaccination regimes using a trivalent O, A and Asia 1 vaccine. Animals were pair matched and randomly allocated into one of 2 groups. Group 1 was vaccinated on days 0 and 180 and group 2 was vaccinated on days 0, 30 and 180. Blood samples were collected from both groups on days 0, 30, 60, 180 and antibody titres measured by the serum neutralisation test (SNT). Group 2 had significantly higher mean titres and percentage of …