EFFECT OF DIETARY VITAMIN C ON SURVIVAL AND GROWTH PARAMETERS OF CASPIAN BROWN TROUT (SALMO TRUTTA CASPIUS) FINGERLINGS

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ARAB NARGES; RAJABI ISLAMI HOUMAN; SHAMSAIE MEHRJAN MAHDI

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Journal: Journal of Fisheries Year:2013 | Volume:66 | Issue:3 Page(s): 331-346

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Title

EFFECT OF DIETARY VITAMIN C ON SURVIVAL AND GROWTH PARAMETERS OF CASPIAN BROWN TROUT (SALMO TRUTTA CASPIUS) FINGERLINGS

Author(s)

ARAB NARGES | RAJABI ISLAMI HOUMAN | SHAMSAIE MEHRJAN MAHDI | Issue Writer Certificate

Keywords

GROWTHQ2

HISQ2

SALMO TRUTTA CASPIUSQ2

SURVIVALQ2

VITAMIN C.Q2

Abstract

An experiment was conducted to determine the appropriate value of VITAMIN C.on GROWTH, SURVIVAL, and Hepatosomatic Index (HSI) in Caspian brown trout (Salmo trutta caspius) fingerlings. Five diets containing 0, 50, 100, 200 and 400 mg kg-1 ascorbic acid were prepared as experimental treatments. Six hundred fish (9.6±0.6 gr) were divided into 5 groups with three replications each containing 40 fingerlings and fed by the respective diets for 9 weeks. GROWTH parameters including Final Weight (FW), Protein Efficiency Rate (PER), Weight Gain (WG), Specific GROWTH Rate (SGR), Feed Conversion Rate (FCR), Condition Factor (CF), and HSI were compared every 3 other weeks between the treatments. Fish sampling was done weeks. The results showed that SURVIVAL rate of the fish in all experimental treatments was 100% and no sign of ascorbic acid deficiency such as gill deformities, abnormal swimming, and skeletal deformities including scoliosis and lordosis were observed in all Caspian brown trout fingerlings during the experiment. Also there was significant differences in FW, WG, SGR, PER, FCR, CF and HSI between experimental treatments (P<0.05). The results showed that 200 mg kg-1 ascorbic acid were significantly increased the GROWTH parameters of Caspian brown trout (P<0.05), although no significant differences were observed in fish GROWTH rates between 200 and 400 mg ascorbic acid treatments. Therefore, findings of the present study illustrated that 200 mg ascorbic acid per kg diet is the optimum amount of VITAMIN C.for the GROWTH of Caspian brown trout fingerlings. According to the broken line model, the level of ascorbic acid for optimal weight gain was 248.52 mg kg-1 diet.

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APA: Copy

ARAB, NARGES, RAJABI ISLAMI, HOUMAN, & SHAMSAIE MEHRJAN, MAHDI. (2013). EFFECT OF DIETARY VITAMIN C ON SURVIVAL AND GROWTH PARAMETERS OF CASPIAN BROWN TROUT (SALMO TRUTTA CASPIUS) FINGERLINGS. JOURNAL OF FISHERIES (IRANIAN JOURNAL OF NATURAL RESOURCES), 66(3), 331-346. SID. https://sid.ir/paper/162188/en

Vancouver: Copy

ARAB NARGES, RAJABI ISLAMI HOUMAN, SHAMSAIE MEHRJAN MAHDI. EFFECT OF DIETARY VITAMIN C ON SURVIVAL AND GROWTH PARAMETERS OF CASPIAN BROWN TROUT (SALMO TRUTTA CASPIUS) FINGERLINGS. JOURNAL OF FISHERIES (IRANIAN JOURNAL OF NATURAL RESOURCES)[Internet]. 2013;66(3):331-346. Available from: https://sid.ir/paper/162188/en

IEEE: Copy

NARGES ARAB, HOUMAN RAJABI ISLAMI, and MAHDI SHAMSAIE MEHRJAN, “EFFECT OF DIETARY VITAMIN C ON SURVIVAL AND GROWTH PARAMETERS OF CASPIAN BROWN TROUT (SALMO TRUTTA CASPIUS) FINGERLINGS,” JOURNAL OF FISHERIES (IRANIAN JOURNAL OF NATURAL RESOURCES), vol. 66, no. 3, pp. 331–346, 2013, [Online]. Available: https://sid.ir/paper/162188/en

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