Serum neutrophilic count concentration in experimental sheep inoculated with various forms of RVF vaccines. (A) Serum neutrophilic count from pre day till 28th days after inoculation, (B) Serum neutrophilic count from 2nd month till 12th month of inoculation. The data expressed as mean ± SEM, p<0.05. G1: Control negative, G2: Sheep inoculated with AlHV, G3: Sheep inoculated with Ch-NPsV, G4: Sheep inoculated with AlP-NPsV.