Wen-Feng Li, Rong-Yue Zhang, Chun-Hua Pu, Jiong Yin, Zhi-Ming Luo, Xiao-Yan Wang, Xiao-Yan Cang, Hong-Li Shan and Ying-Kun Huang, 2019. Efficacy of Nano-Cr Particles Supplemented Sunflower Meal Based Diets on Growth Performance, Digestibility and Hematology of Catla catla Fingerlings. Pakistan J. Zool., 51, 1953-1958. DOI: http://dx.doi.org/10.17582/journal.pjz/2019.51.5.1953-1958