Two hundred and sixteen, day old, commecial broiler chicks, randomly divided into 24 groups of 9 chicks each weee fed for 28 d on 12 diets containing 0.5, 1.0, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5.0, 5.5 and 6.0% FMP. Coss effecttve optimum performance suggested that 2% FMP was optimum level for broiler diet alongwith extracted soybean meal as a sole source of vegetable protein supplement.