Pingping Cang, Mingming Zhang, Guo Qiao, Qirui Sun, Dehai Xu, Qiang Li, Xinghua Yuan and Wenbin Liu, 2019. Analysis of Growth, Nutrition and Economic Profitability of Gibel Carp (Carassius auratus gibelio ♀ × C. carpio ♂) Cultured in Zero-water Exchange System. Pakistan J. Zool., 51: 619-630. DOI: http://dx.doi.org/10.17582/journal.pjz/2019.51.2.619.630