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  • Title: Field trial of a live streptomycin dependent Pasteurella multocida serotype A:12 vaccine in rabbits.
    Author: Deeb BJ, DiGiacomo RF, Bernard BL, Silbernagel SM, Chengappa MM.
    Journal: Lab Anim Sci; 1989 May; 39(3):229-33. PubMed ID: 2724923.
    Abstract:
    A live, streptomycin dependent, Pasteurella multocida (SDPM) serotype A:12 vaccine was evaluated for preventing pasteurellosis in two commercial rabbitries. Rabbits were inoculated intranasally at 5 weeks old with either 0.25 ml of vaccine containing 10(8) colony forming units/ml or 0.25 ml of diluent (control). A proportion of rabbits received a second intranasal inoculation 1 month later. Partial protection against P. multocida infection was observed 1 and 2 months after inoculation in rabbits given only one dose of vaccine. The incidence of clinical signs of pasteurellosis was similar in vaccinated and nonvaccinated market-age rabbits inoculated 4 to 6 weeks previously. In does maintained in the breeding colony, P. multocida infection and upper respiratory disease occurred more frequently in vaccinated than nonvaccinated rabbits. Humoral antibody responses (IgA, IgM, IgG) followed longitudinally were similar in vaccinated and nonvaccinated does. Hence, the SDPM vaccine was not efficacious in controlling P. multocida infection at these two rabbitries.
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