Effects of <i>Curcuma longa</i> rhizome powder on egg quality, performance and some physiological indices of laying hens fed different levels of metabolizable energy

Abstract

An improvement in the productive performance of laying hens fed high-energy diets might be associated with decreasing health indices and product quality, which could potentially be amended by nutritional modifications such as incorporating medicinal herbs in the feed. © 2016 Society of Chemical Industry.