5[6]Paratryphon E,Howell R A,Soares J H Jr.Growth and mineral absorption by striped bass Morone saxatils fed a plant feedstuffbased diet supplemented with phytase[J].Journal of the World Aquaculture Society,1999,302:161-173.
6[7]Jackson L S,Li M H,Robison E H.Use of microbial phytaze in channel eatfishlctalurus puneatus diets to improve utilization of phosphorus[J].Journal of the World Aquaculture Society,1996,27(3):309-313.
7[8]Schafer A,Koppe W M,Meyer E.Effeets of supplemental microbial phytase on phosphorus digestibility and utilization in rainbow trout(oncorhynchus mykiss)[J].Water Science and Technology,1995,31(10):143-147.
8[13]Kim Y O,Kim H K,Bae K S,et al.Purification and properties of a thermostable phytase from Bacillus sp.DS11[J].Enzyme Mierobiol Technol,1998,22:2-7.
9[14]Ha N c,Oh B C,Shin S,et al.Crystal structures of a novel.thermostahle phytase in partially and fully calciumloaded states[J].Nature Structural Biology,2000,7(2):147-153.
10[15]Tye A J,Siu F K,Leung T Y,et al.Molecular cloning and the biochemical characterization of two novel phytases from B.subtilis 168 and B.licheniform/s[J].Appl Mierobiol Biotechnol,2002,59(2-3):190-197.
