1. Araba,M (1997) Multistate poultry nutrition conference, Indianapolis, Indiana page 1-28
2. Cline, M.N & Re, D.M. (1997) Feedstuffs 69, 33:17-19
3. Coon,C.N., Leske, K.L., Akavanichan, O & Cheng,T.K (1990) Poultry Science 69:787-793
4. Coon,C.N (1997) XIII Curso De Especializacium Fedna, Madrid.
5. Delagado,C.M., Rosegrant,H., Steinfeld,S.E & Courbois,C (1999) Paper 28 IFRI/FAO/ILRI, IFPRI Washington, D.C.
6. Engelke,G.L (1997) Feedstuffs, 69 (20) : 29-36
7. Englyst, H (1989) Animal Feed Sci Technol 23: 27
8. Garg,A.K., Kim, K.J., Owens, T.G., Ranwala,A.P., Choi,L.V & Wu,R.J. (2002) Proc.Natl Acad.Sci USA 99 (25): 15898-15903
9. Leske,K.L., Zhang,B. & Coon,C.N (1995) Animal Feed Science Technology 54: 275-286
10. Lee,B.D., Kim,D.J and Leet,S.J (2001) Poult. Sci. 80 (11): 1527-34
11. Li,Y.C., Ledoux,D.R., Veum,T.L., Raboy,V. & Ertl,D.S. (2000) Poult.Sci. 79 (10): 1444-50
12. Lipps,P.E., Joaquim, T.R & Deep, I.W (1986) Ohio Cooperative Extension Service Publication 3/86 -1M The Ohio State University
13. Stillborn,H.L & Crum, R.C (1997) Feedstuffs 69 (41) :12-16
14. Qaim,M & Zibermann, D (2003) Science 299:900-902
15. Xu, Z.R.., Hu,C.H., Xia,M.S., Zhan,X.A. & Wang, H.Q (2003) Poult. Sci. 82 (6) 1030-6
16. Yan., Parsons,C.M & Alexander,D.E. (1987) Poult. Sci. 66: 103-111
