EFFECTS OF ENRICHED DAPHNIA WITH MICROSCOPIC ALGAE ON SOME GROWTH INDICES AND SURVIVAL RATE OF PERSIAN STURGEON (ACIPENSER PERSICUS) LARVAE

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CHUBIAN F.; RAMEZANPOUR Z.; HAFEZIEH M.; SADEGHIRAD M.; HADADI MOGHADAM K.; PAZHAND Z.; ROFCHAEI R.; POURALI H.R.

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Journal: Iranian Scientific Fisheries Journal Year:2013 | Volume:22 | Issue:2 Page(s): 47-74

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Title

EFFECTS OF ENRICHED DAPHNIA WITH MICROSCOPIC ALGAE ON SOME GROWTH INDICES AND SURVIVAL RATE OF PERSIAN STURGEON (ACIPENSER PERSICUS) LARVAE

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Keywords

AQUACULTUREQ2

NUTRITIONQ3

ACIPENSERIDAEQ2

IRANQ2

Abstract

Microalgae as a source of valuable compounds such as fatty acids are isolated from the natural environments and their mass production with high NUTRITIONal value is one the necessities of many hatcheries. The present study aimed to determine the effects of enriched daphnia with microscopic algae on some growth indices and survival rate of Persian sturgeon (Acipenser persicus) larvae. Chlorella vulgaris and Scenedesmus dimorphus were purified and cultured. Then, Daphnia longispina was fed microalgae including Chlorella vulgaris and Scenedesmus dimorphus enriched with Docosahexaenoic acid (DHA). The microalgae density to enrich daphnia was estimated at 5´107 cells mL-1. Three treatments with three replicates and a control group were considered in this study. A total of 30 Acipenser persicus larvae were allocated to each sixty liters tank. Experimental fish were fed daphnia enriched with Chlorella vulgaris (treatment 1), daphnia enriched with Scenedesmus dimorphus (treatment 2) and daphnia enriched with Chlorella vulgaris and Scenedesmus dimorphus (at the rates of 50%) (Treatment 3). Persian sturgeon larvae in the control group were fed like VNIRO stage from daphnia caught in pond. Larvae were fed 30% of body weight per day for four times. During the experimental period, water temperature, dissolved oxygen concentration and pH ranged between 18-24°C, 5.8-7.2 mg l-1 and 5.6-8.2, respectively. The minimum (219±98.4 mg) and maximum (315.16±140.8 mg) mean (±SD) weights were observed in the control group and treatment 3, respectively. The results obtained from the body weight increase (BWI %) revealed that there were significant differences between treatment 3 and other treatments. Highest (4.6±1.13% day-1) and lowest (5.5±1.24% day-1) mean (±SD) specific growth rates (SGR) were recorded in fish fed the control group and treatment 3, respectively. Lowest (68%) and highest (85%) survival rates were recorded in the control group and treatment 3, respectively.

Cites

DIVERSITY, DENSITY AND FREQUENCY OF CRUSTACEAN ZOOPLANKTON COMMUNITY AT WARM WATER FISHES PONDS AT EAST OF GOLESTAN PROVINCE, GONBADE KAVOUS CITY

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APA: Copy

CHUBIAN, F., RAMEZANPOUR, Z., HAFEZIEH, M., SADEGHIRAD, M., HADADI MOGHADAM, K., PAZHAND, Z., ROFCHAEI, R., & POURALI, H.R.. (2013). EFFECTS OF ENRICHED DAPHNIA WITH MICROSCOPIC ALGAE ON SOME GROWTH INDICES AND SURVIVAL RATE OF PERSIAN STURGEON (ACIPENSER PERSICUS) LARVAE. IRANIAN SCIENTIFIC FISHERIES JOURNAL, 22(2), 47-74. SID. https://sid.ir/paper/4631/en

Vancouver: Copy

CHUBIAN F., RAMEZANPOUR Z., HAFEZIEH M., SADEGHIRAD M., HADADI MOGHADAM K., PAZHAND Z., ROFCHAEI R., POURALI H.R.. EFFECTS OF ENRICHED DAPHNIA WITH MICROSCOPIC ALGAE ON SOME GROWTH INDICES AND SURVIVAL RATE OF PERSIAN STURGEON (ACIPENSER PERSICUS) LARVAE. IRANIAN SCIENTIFIC FISHERIES JOURNAL[Internet]. 2013;22(2):47-74. Available from: https://sid.ir/paper/4631/en

IEEE: Copy

F. CHUBIAN, Z. RAMEZANPOUR, M. HAFEZIEH, M. SADEGHIRAD, K. HADADI MOGHADAM, Z. PAZHAND, R. ROFCHAEI, and H.R. POURALI, “EFFECTS OF ENRICHED DAPHNIA WITH MICROSCOPIC ALGAE ON SOME GROWTH INDICES AND SURVIVAL RATE OF PERSIAN STURGEON (ACIPENSER PERSICUS) LARVAE,” IRANIAN SCIENTIFIC FISHERIES JOURNAL, vol. 22, no. 2, pp. 47–74, 2013, [Online]. Available: https://sid.ir/paper/4631/en

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