The purpose of this paper work was to establish the anti nutritive effect of non starch polysaccharides from different protean sources on nutritive and bioproductive indices at broiler chickens. The experiment was made on a period of six weeks. on 120 broiler chickens divided in four experimental groups (EG1. EG2. https://parisnaturalfoodes.shop/product-category/org-mango-sliced/