Development and Evaluation of the Biological Adjuvant Bivalent Vaccine for Preventing Newcastle Disease and Infectious Bursal Disease

Figure 5

Measurement of anti-IBDV antibody titer by ELISA at 7, 14, 21, and 28 days after immunization. Data were analyzed and expressed as mean ± SD, ^##P < 0.01 vs rClone30-VP2L-treated chickens.