GHALY, H., EL-SABBAGH, M., SAEED, S. (1996). IMMUNE RESPONSE OF BUFFALO-CALVES TO INACTIVATED COMBINED VACCINE UNDER FIELD CONDITIONS. Egyptian Journal of Agricultural Research, 74(1), 265-275. doi: 10.21608/ejar.1996.427370
HUSSIEN M. GHALY; MAGDY M. EL-SABBAGH; SAMIRA SAEED. "IMMUNE RESPONSE OF BUFFALO-CALVES TO INACTIVATED COMBINED VACCINE UNDER FIELD CONDITIONS". Egyptian Journal of Agricultural Research, 74, 1, 1996, 265-275. doi: 10.21608/ejar.1996.427370
GHALY, H., EL-SABBAGH, M., SAEED, S. (1996). 'IMMUNE RESPONSE OF BUFFALO-CALVES TO INACTIVATED COMBINED VACCINE UNDER FIELD CONDITIONS', Egyptian Journal of Agricultural Research, 74(1), pp. 265-275. doi: 10.21608/ejar.1996.427370
GHALY, H., EL-SABBAGH, M., SAEED, S. IMMUNE RESPONSE OF BUFFALO-CALVES TO INACTIVATED COMBINED VACCINE UNDER FIELD CONDITIONS. Egyptian Journal of Agricultural Research, 1996; 74(1): 265-275. doi: 10.21608/ejar.1996.427370
IMMUNE RESPONSE OF BUFFALO-CALVES TO INACTIVATED COMBINED VACCINE UNDER FIELD CONDITIONS
Veterinary Serum and Vaccine Research Institute, Agricultural Research Centre, Giza, Egypt
Abstract
Fourteen buffalo-calves each was vaccinated twice within 2 weeks interval with 3 ml of the reconstituted inactivated combined vaccine. The vaccinated calves were kept for 6 months in a natural setting with five non-vaccinated control calves. All vaccinated calves remained clinically normal during the observation period, 3 control calves developed symptoms of respiratory disorders and PI - 3 virus was isolated from the nasal discharge of only 2 control animals. IBR virus was isolated at 45 days post-vaccination from the third one, and showed titer of 122 after 2 months, while BVD virus was not isolated from any calf. Results of the SN test against IBR, BVD and PI - 3 antigens indicated that, efficacy of vaccine and the calves should be revaccinated each 6 months from vaccination.
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