Peer-reviewed veterinary case report
Improvement of trivalent leptospira vaccine by removal of anaphylactic agents.
- Journal:
- Tropical animal health and production
- Year:
- 2011
- Authors:
- Moazenijula, Gholamreza et al.
- Affiliation:
- Razi Vaccine and Serum Research Institute
Abstract
The anaphylactic reactions in cattle following leptospira vaccination mostly booster dose in different parts of Iran have been reported. The serum proteins as allergic substances are components of liquid phase of the vaccine. Therefore, the vaccine was modified by washing the whole cultures by centrifugations. The modified vaccine was safe in laboratory animals and cattle as well as under field conditions. Microagglutination test revealed a similar pattern of antibody response to the three Leptospira interrogans serovars (Canicola, Grippotyphosa, and Sejro hardjo) in all vaccinated cattle groups while was higher than the response of control animals. The results of the present investigation revealed that we can minimize postvaccination shock in vaccinated cattle populations with removing the shock proteins.
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Search related cases →Original publication: https://pubmed.ncbi.nlm.nih.gov/21698521/