| abstract |
(a) le surnageant, éventuellement concentré, d'une culture bactérienne denPasteurella haemolytica sérotype A6, (b) un extrait contenant des antigènes capsulaires de Pasteurella haemolyticansérotype A6, et (c) des corps bactériens entiers de Pasteurella haemolytica sérotype A6,nledit surnageant, ledit extrait et lesdits corps bactériens étant biologiquement inactivés. Bovine pasteurellosis vaccine due to Pasteurella haemolytica, characterized in that it comprises a first antigenic substance comprising at least one element chosen from the group consisting of: (a) the supernatant, possibly concentrated, of a bacterial culture of Pasteurella haemolytica serotype A6, (b) an extract containing capsular antigens of Pasteurella haemolytica serotype A6, and (c) whole bacterial bodies of Pasteurella haemolytica serotype A6, said supernatant, said extract and said bacterial bodies being biologically inactivated. |