Studies on Immunomodulatory Effects of Ocimum sanctum and Levamisole in Broiler Chicks Vaccinated against Newcastle Disease

The present study was carried out to determine the immunogenic potential of levamisole and Ocimum sanctum in broiler chicks vaccinated against Newcastle disease, with their effect on serum protein profile like serum total protein, albumin and globulin concentrations, albumin: globulin (A:G) ratio and body weight gain. A potential effect was found in the form of increase in mean haemagglutination inhibition (HI) antibody titer, serum mean total protein, albumin and globulin concentrations and average body weight gain in levamisole- and O. sanctum-treated groups rather than the control group at different post-vaccination intervals. On the contrary, average A:G ratio was found to be higher in the control group at different post-vaccination intervals.