PASTEURELLOSIS VACCINES

摘要

PASTEURELLOSIS VACCINES A pasteurellosis vaccine e.g. for use with cattle or particularly sheep, comprises antigenic material derived from the A1 and A2 serotypes of Pasteurella haemolytica, the A1 serotype antigenic material comprising capsular extract, e.g. especially salicylate extract, and the A2 serotype antigenic material comprising heat-killed whole organisms, is produced by extracting the A1 capsular materials heat-killing the A2 whole organisms and mixing the resultant materials with a vaccine adjuvant, e.g. especially an aluminium hydroxide gel and an emulsifying oil.