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Influence of Storage on the Efficacy of Lapinized Classical Swine Fever Vaccine  

Update Date: [2013-11-14]
No.:44

Reporton.
AHRI report No.44
Topic
Influence of Storage on the Efficacy of Lapinized Classical Swine Fever Vaccine
Department
Animal Health Research Institute, Council of Agriculture, Executive Yuan
Author
C. C. Hsieh*, H. Chiang, C. H. Tseng, C. C. Huang
Summary
Due to the great negative impact on the industry of animal husbandry in Taiwan caused by classical swine fever, our institute has already developed the lapinized hog cholera vaccine which has proven to be efficacious. However, in order to test whether the vaccine is still effective post-expiry date, we randomly selected three batches of vaccines that were intentionally held for about 0.5 to 1.5 years in the storage unit of a Quality Control laboratory. The efficacy of these vaccines was then tested by animal experiments after storage. The results of this study indicate that vaccines stored under standard conditions are still effective even when used 1 year past the expiration date.
Keyword
lapinized hog cholera vaccine, expiration date, efficacy