Metal-amino acid complexes (Zn, Se, Cu, Fe and Mn) as a replacement of inorganic trace minerals in commercial diets for Nile tilapia (Oreochromis niloticus) reared under field conditions: Effects on growth, feed efficiency, gut microbiota, intestinal histology, and economic return

Abdel‐Fattah M. El‐Sayed, Cláudia Figueiredo-Silva, Salma Zeid, Sarah O. Makled