Introduction adaptogenic, immunomodulatory, free radical scavenging and antioxidant rejuvenating actions Irrational use of antibiotics as growth promoter (Shukla and Srivastava, 1999). The constituent herbs and as therapeutic agent or immunomodulator in of polyherbal formulation Stresroak which are livestock and poultry is current issue. International Phyllanthus emblica, Withania Somnifera, Ma...