Roy, ParimalPadmanaban, V.D.TANUVAS2016-08-122016-08-121990-08http://krishikosh.egranth.ac.in/handle/1/72382The experiment was conducted to detect the protection offered by Ranikhet disease virus vaccine (F) to chicks. The chicks (130) were divided into groups A and E. Group A birds were vaccinated with Ranikhet disease virus vaccine (RD VF) obtained from the Institute of Veterinary Preventive Medicine (IVPM). Ranikhet, occulonasally on the fifth day of hatch. Group E birds were kept as unvaccinated control group. From each group 6 birds were challenged with 100 CMD 50 dose of virulent Ranikhet disease virus at 26th day of hatch (third week of post-vaccination in the micro-serum neutralization test (SNT), micro-haemagglutination inhibition (HI) and micro-enzyme-linked immunosorbent assay (ELISA).enArticle