El-Motaal, A.M. Abd, A.M.H. Ahmed, A.S.A. Bahakaim, and M.M. Fathi. 2008. “Productive Performance and Immunocompetence of Commercial Laying Hens Given Diets Supplemented With Eucalyptus”. International Journal of Poultry Science 7 (5): 445–449. https://doi.org/10.3923/ijps.2008.445.449.