Interaction effect of Vitamin C and Folic Acid on growth factor in Ship ( Acipenser nudiventris ) Fingerlings

Barbell sturgeon is belonged to sturgeon species which is suitable for cultivation. For this preparing feed ration is necessary. There had been less attention about nutritional requirement of sturgeon species. This study was conducted to determine different levels of vitamin C and folic acid on growth performance of juvenile A c i p e n s e r n u d i v e n t r i s . Six practical diets were formulated as follow; control: without supplementation, T1; 200 mg ascorbic acid (AA), T2: 3.5 mg Folic Acid (FA), T3: 200 mg AA + 1.5 mg FA, T4: 200 mg AA + 3.5 mg FA and T5: 200 mg AA + 5.5 FA equivalent kg-1 diet.. The experiment lasted for 8 weeks. After acclimatization of fish to hand feeding, 10 fish with average body weight of 31.8± 1.8 distributed to 500L fiberglass tanks. At the end of experiment, FCR ،SGR ،BWI ،GR ،CF was showed significant differences between treatments. As high levels of WG, SGR ،BWI and GR were observed in treatment 3 and lower levels of WG ،SGR ،BWI ،GR and CF were obtained in control treatment. Results of this study suggested that optimum level of vitamin C and folic acid were 200 and5.5 mg/kg of the diet, respectively