ABSTRACT Poultry rations are composed mainly of conventional cereal grains and proteins. Using non-conventional agro-industrial by-products may reduce the cost of production and thereby improve productivity. A study was conducted to evaluate the effect of dietary brewery spent grain inclusion on egg laying performance. quality parameters of bovans brown and profitability of the rations. https://parisnaturalfoodes.shop/product-category/symphytum-creme/