Vaccine efficacy in cattle against hemorrhagic septicemia with live attenuated aroA mutant of Pasteurella multocida B:2 strain
Mohammad Tabatabaei1*, G. R. Moazzeni Jula2, A. R. Jabbari2 and M. Esmailzadeh2
1Faculty of Veterinary Medicine, Shiraz University P. O. Box. 1731. Shiraz Iran.
2Razi Vaccine & Serum Research Institute, P. O. Box 11365-1558, Tehran, Iran.
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