Mustapha, A., Driss, B., Khadija, E., Mohammed, B., & Aboulfaraj, S. (2012). Effects of dietary energy levels on growth performance, feed utilization and body composition of Rainbow trout. Journal of Research in Biology, 2(6), 558-565. Retrieved from https://ojs.jresearchbiology.com/index.php/jrb/article/view/249