1. AAFCO. Association of American Feed Control Officials. 2000rd ed. West Lafayette, IN USA: Official Publication, Association of American Feed Control Officials; 2002.
2. AOAC. Official methods of analysis. 19th ed. Association of Official Agricultural Chemists, Arlington, VA, USA; 2012.
3. Ashmead HD. The roles of amino acid chelates in animal nutrition. 1rd ed. Noyes Publications; 1993.
4. Physiological factors influencing female fertility in birds;Assersohn;R Soc Open Sci,2021
5. Kinetics of Manganese Absorption in Ligated Small Intestinal Segments of Broilers;Bai;Poult Sci,2008