CChemistry Africa3/30/2026Sustainable Production of Calcium from Eggshells for Poultry Feed: CCD Optimization, Characterization, and In vitro/In vivo Bioavailability TestingMalek Bouhjar·N. Bellakhal·Boutheina RzigRead at Chemistry AfricaTagsAnimal Nutrition and PhysiologyAnimal Science and Zoology