[1] Baruah, N.P. Sahu, A.K. Pal, K.K. Jain, D. Debnath, S.C. Mukherjee (2007) .Dietary microbial phytase and citric acid synergistically enhances nutrient digestibility and growth performance of Labeo rohita (Hamilton) juveniles at sub-optimal protein level Aquac. Res., 38, pp. 109–120.
[2] Balios, J. (2003). Nutritional value of fish by-products, and their utilization as fish silage in the nutrition of poultry. In Proceedings of the 8th International Conference on Environmental Science and Technology (pp: 70-76).
[3] Liem, D. T. (2004). E. coli resistant to most antibiotics in Vietnam. Asian Pork Magazine, 22-24.
[4] Freitag, M. E. (2007). Organic acids and salts promote performance and health in animal husbandry. Acidifiers in Animal Nutrition, 31(2):131-139.
[5] Shah, S. Z. H.; Afzal, M.; Khan, S. Y.; Hussain, S. M. and Habib, R. Z. (2015). Prospects of using citric acid as fish feed supplement. Int. J. Agric. Biol., 17:1-8.
[6] Adams, D., and Boopathy, R. (2013). Use of formic acid to control vibriosis in shrimp aquaculture. Biologia, 68(6), 1017-1021.
[7] Elala, N. M. A., & Ragaa, N. M. (2015). Eubiotic effect of a dietary acidifier (potassium diformate) on the health status of cultured Oreochromis niloticus. Journal of Advanced Research, 6(4), 621-629.
[8] Viola, S., Mokady, S., Rappaport, U and Arieli, Y. (1982): Partial and complete replacement of fishmeal by soybean meal in feeds for intensive culture of carp. Aquaculture 26:223-236.
[9] FAO, Food Agriculture Organization (1981). Feed And Feeding Of fish and shrimp .ADCP/RER/87/26 Rome.1987.
[10] Talbot, C. (1985). Laboratory methods in fish feeding and nutritional studies In:Fish Eneregties, Tytler, P. and Calow, P. (eds) 125-155p.
[11] Maynard, L. A. and Loosli, J. K. (2000). Animal nutrition. New York, NY: McGraw Hill Book Co., 613p.
[12] Schmalhausen, I. I. (1926). The problem of death and immortality. Gosizdat,Moscow,569p.
[13] Brown, M. E. (1957). Experimental studies on growth. In Fish physiology, M. E. Brown (ed) New York, N. Y. Academic Press Vol, I: 361-400.
[14] Utne, F. (1978). Standard methods and terminology in fin-fish nutrition from; proc. Warld Symp. on finfish nutrition and fish feed Technology, Hamburg,(2): 20-23.
[15] SAS Institute. (2012). SAS/OR 9.3 User's Guide: Mathematical Programming Examples. SAS institute.
[16] Duncan, D. B. (1955). Multiple range and multiple F tests. Biometrics, 11(1):1-42.
[17] Lückstädt, C. (2008). Effect of dietary potassium diformate on the growth and digestibility of Atlantic salmon Salmo salar. In Proceedings of the 13th International Symposium on Fish Nutrition and Feeding, Florianopolis, Brazil (p. 279).
[18] Mohammed, M. and Safao R. (2013). The effect of adding some probiotic bio-boosters in the attic on the performance of the common carp fish Cyprinus carpio L. In glass diseases. Rafidain Agriculture J., Volume (1) Issue (2).
[19] Lin, Y. H. and Cheng, M. Y. (2017). Effects of dietary organic acid supplementation on the growth, nutrient digestibility and intestinal histology of the giant grouper Epinephelus lanceolatus fed a diet with soybean meal. Aquaculture, 469:106-111.
[20] Al-Bassam, (2020). The manufacture of relational to common carp Cyprinus carpio L. from some of the protein residues treated enzymatically and in the face of growth and blood standards. Master's thesis, Faculty of Agriculture,Tikrit University: P.P. 168.
[21] Agouz, H. M.; Soltan, M. A., and Meshrf, R. N. (2015). Effect of some organic acids and organic salt blends on growth performance and feed utilization of Nile tilapia,(Oreochromis niloticus). Egyptian J. Nutr and Feeds, 18(2): 443-450.
[22] Reda, R. M.; Mahmoud, R.; Selim, K. M. and El-Araby, I. E. (2016). Effects of dietary acidifiers on growth, hematology, immune response and disease resistance of Nile tilapia, Oreochromis niloticus. Fish and Shellfish Immunology, 50: 255-262.
[23] Abou‐El‐Atta, M. E.; Abdel‐Tawwab, M.; Abdel‐Razek, N. and Abdelhakim, T. M. (2019). Effects of dietary probiotic Lactobacillus plantarum and whey protein concentrate on the productive parameters, immunity response and susceptibility of Nile tilapia, Oreochromis niloticus L., to Aeromonas sobria infection. Aquaculture Nutrition, 25(6): 1367-1377.