1- Abaurrea, M.A., Nuñez, M.I. and Ostos M.V. (1993) Ultrastructural study of the distal part of the intestine of Oncorhynchus mykiss. Absorption of dietary protein. Micron. 24(5): 445-450. ##
2- Al-Hussaini, A.H. (1949) On the functional morphology of the alimentary tract of some fish in relation to differences in their feeding habits: Anatomy and histology. Quarterly Journal of Microscopical Science. 90(10): 109-139.##
3- Baeverfjord, G. And Krogdahl, A. (1996) Development and regression of soybean meal induced enteritis in Atlantic salmon, Salmo salar L., distal intestine: a comparison with the intestines of fasted fish. Journal of fish disease. 19(5): 375-387.##
4- Balon, E.K. (2004) About the oldest domesticates among fishes. Journal of Fish Biology. 65: 1–27.##
5- Barbieri, G. et al., (1994). Notas sobre a adaptação do trato digestivo ao regime alimentar em espécies de peixes da região de São Carlos (SP) I. Quociente intestinal. Revista Brasileira de Biologia. 54:63-69.##
6- Becker, A. G. Gonçalves, J.F. Garcia, L.O. Behr, E.R. Graça, D.L. Filho, M.K. Martins, T. and Baldisserotto, B. (2010) Morphometric parameters comparisons of the digestive tract of four teleosts with different feeding habits. Cienc. Rural. 40 (4): 862-866.##
7- Bond, C.E. (1997) Biology of fishes. (1th ed.) Sunders College Publishing. USA. pp. 33-41.##
8- Buddington, R.K. and Diamond, J.M. (1987) Pyloric caeca of fish, a “new” absorptive organ. American Journal of Physiology. 252(1): 65-76.##
9- Carter, C.C. and Hestand, R.S. (1979) Taxonomic characteristics of aquatic plants from the alimentary tract of grass carp. J. Aquat. Plant Manage. 17: 49-53.##
10- Dabrowski, K. and Kaushik, S.J. (1985) Rearing of coregonid (Coregonus schinzi palea Cuv. et Val.) larvae using dry and live food. III Growth of fish and developmental characteristics related to nutrition. Aquaculture. 48(2): 123-135.##
11- Das, K.M. and Tripathi, S.D. (1991) Studies on the digestive enzymes of grass carp, Ctenopharyngodon idella (Val.). Aquaculture. 92: 21-32.##
12- Escaffre, A. M., Kaushik, S. and Mambrini, M. (2007) Morphometric evaluation of changes in the digestive tract of rainbow trout (Oncorhynchus mykiss) due to fish meal replacement with soy protein concentrate. Aquaculture .273(1): 127–138.##
13- Fugi, R. Agostinho A.A. Hahn N.S. (2001) Trophic morphology of five benthic-feeding fish species of a tropical floodplain. Brazilian Journal of Biology. 61(1): 27-33.##
14- Ingh, T.S.G. Olli, J.J. and Krogdahl, A. (1996) Alcohol-soluble components in soybeans cause morphological changes in the distal intestine of Atlantic salmon, Salmo salar. Journal of fish disease. 19: 47-53.##
15- Junger, H. Kotrschal, K. and Goldschmid, A. (1989) Comparative morphology and ecomorphology of the gut in European cyprinids (Telostei). Journal of Fish Biology. 34(2): 315-326.##
16- Kapoor, B.G., (2004) Ichthyology handbook. (1th ed.). Narosa Publishing House. India. pp. 169-223.##
17- Kapoor, H.S. and Verghira I.A. (1975) The alimentary canal and digestion in teleosts. In: RUSSEL, F.S.; YONGE, C.M. Advances in marine biology. Advances in Marine Biology. 13:109-239.##
18- Khan, M. S. Khan, S.A. Chaudhary, Z.I. Khan, M.N. Aslam, A. Ashraf, K. Ayyub, R.M. and Rai, M.F. (2004) Mercury intoxication in grass carp (Ctenopharyngodon Idella). Pakistan Vet. J. 24(1): 33-38.##
19- Kilambi, R. V. and Zdinak, A. (1981) Comparison of early developmental stages and adults of grass carp, Ctenopharyngodon idella, and hybrid carp (female grass carp × male bighead Aristichthys nobilis). Journal of Fish Biology. 19(4): 457–465.##
20- Kirkl, J. P. and Socha, R. C. (2003) Longevity and Persistence of Triploid Grass Carp Stocked into the Santee Cooper Reservoirs of South Carolina. J. Aquat. Plant Manage. 41: 90-92.##
21- Morgans, L. and Heidt, G.A. (1974) Microscopic Anatomy of the Digestive Tract of the White Amur, Ctenopharyngodon idella Val. Arkansas Academy of Science Proceedings, 28: 47-49.##
22- Noaillac-Depeyre, J. and Gas, N. (1974) Fat absorption by the enterocytes of the carp (Cyprinus carpio L.). Cell & Tissue Research. 155(3): 353-365.##
23- Smith, B.J. Smith, S.A. Tengjaroenkul, B. and Lawrence, T. A. (2000) Gross Morphology and Topography of the Adult Intestinal Tract of the Tilapian Fish, Oreochromis niloticus L. Cells Tissues Organs.166(3): 294-303.##
24- Noga, E.J. (1993) Fish medicine. (1th ed.). W.B. Sunders company. USA. pp: 441-449.##
25- Trevisan, P. (1979) Histomorphological and histochemical researches on the digestive tract of the freshwater grass carp, Ctenopharyngodon idella (cypriniformes). Anat Anz.145(3): 237-248.##
26- Ward-Campbell, B.M.S. Beamish, F.W.H. and Kongchaiya C. (2005) Morphological characteristics in relation to diet in five coexisting Thai fish species. Journal of Fish Biology. 67(5):1266-1279.##
27- Wells, R.D. (2003) Control of macrophytes by grass carp (Ctenopharyngodon idella) in a Waikato drain, New Zealand. New Zealand Journal of Marine and Freshwater Research. 37: 85–93.##