Alaba, O. ., and A. . H. Ekeocha. “Replacement Value of Fishmeal by Poultry Hatchery Wastemeal in the Diets of Pullet Growers and Layers”. Scientific Journal of Animal Science, vol. 1, no. 1, July 2012, pp. 7-13, http://sjournals.com/index.php/sjas/article/view/1136.