Patent ID: 11883477
Assignee: QINGDAO BOLIN BIOLOGICAL TECHNOLOGY CO., LTD.
Field: Pharmaceuticals (Chemistry)
Classification: CPC A | IPC A

Claim 2:
3. The inactivated triple vaccine for diseases in the duck caused by Salmonella typhimurium, Riemerella anatipestifer and Escherichia coli according to claim 1, wherein a preparation method comprises the following steps:
1) Antigen preparation: resuspending bacterial sludges of antigens of purely qualified SOL R01 and E01 strains in a proper amount of sterilized physiological saline, conducting dilution and inactivation; after passing quality inspection, mixing the three antigens at a volume ratio of 1:1:1 to obtain a mixed antigen for later use;
2) mixing the mixed antigen with the adjuvant, and stirring at a low speed evenly with a mixer; and
3) sub-packaging a mixture obtained in step 2) and capping and sealing labeling and storing at 2-8° C.