H. Akodogbo, H., C. A. Bonou, R. Adande, D. S. Sossou, and E. D. Fiogbe. 2015. “Optimization of Zooplankton Production from Pig Dung Optimal Dose: Renewed Medium”. Agricultural Advances 4 (2):15-21. http://sjournals.com/index.php/aa/article/view/693.