Comparison of humeral immunity in two usual vaccine in foot and mouth disease in Lori-Bakhtiari sheep.
2011
Hosseini, Mahmoud | Mehri, Hamid | Talebi, Mohammad Ali | Eezadi, Hassan | Sotodeh, Masoud
For humeral immunity comparison of usual FMD vaccines in Lori-Bakhtiari lamb selected 60 animals in three group with mean weight 50 kg and without any previously vaccination against foot and mouth diseases and aged 6-12 months. For detect of antibody level take blood sample before any vaccination. Then Group 1 vaccinated with polyvalent Razi produced vaccine (A05IR, Asia O, A87IR), group 2 vaccinated with Merial co. vaccine (O, AIR87, A22IRQ, Asia) and group 3 (control group) not vaccinated. Blood samples were taken in 21, 51, 81, 110, 140, 170 days after vaccination (six months after vaccination) and 230,350 days after vaccination (8 month and 1 year after vaccination). Serums were examined by serum neutralization test and detected different strains virus anti body titer. The result analysis by SAS program and showed that different between grope 1 and grope 2 and with control grope is significant (p0/05). And protective immunity was remained at least until 230 days after vaccination or 8 month after vaccination (protective immunity =1/2). Key words: FMD vaccines, Polyvalan, Humoral immunity, Razi, Merial.
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