This study was conducted in 2005 at IAAS,Nepal to assess the effect of herbal immunomodulator drugs- Immuved,Stresroak and Supermune on HI titre against Newcastle disease (ND),FCR ,Mortality and Economy. For this,200 day old Cobb-100 broiler chicks were randomly divided into four treatment groups, viz.Stresroak,Supermune,Immuved and Control groups;each group consisting of two replications and each having 25 chicks. The birds were fed ad libitum B1 ration up to 4 weeks of age and B2 ration afterwards. Medication was done via drinking water as per their recommended dose. Vaccination ...