EVALUATION OF STOCKING DENSITY ON WATER QUALITY PARAMETERS IN REARING OF BELUGA (HUSO HUSO)

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RAFATNEZHAD S.; FALAHATKAR B.

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Paper Information

Journal: Iranian Scientific Fisheries Journal Year:2011 | Volume:20 | Issue:1 (74) Page(s): 165-170

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Information Journal Paper

Title

EVALUATION OF STOCKING DENSITY ON WATER QUALITY PARAMETERS IN REARING OF BELUGA (HUSO HUSO)

Author(s)

RAFATNEZHAD S. | FALAHATKAR B. | Issue Writer Certificate

Keywords

DENSITYQ2

WATER QUALITYQ2

GROWTHQ2

STURGEONQ4

Abstract

The potential effects of stocking densities (1, 2, 4, 6 and 8kg/m-2) of Beluga (Huso huso) was investigated on WATER QUALITY and GROWTH factors of the fish. Feed was offered three times daily using a commercial diet to the juvenile fish at the average initial weight of 93.13±1.04g (±SE) for a period of 8 weeks. The final biomass was 4.0, 6.5, 11.0, 14.5, 17.1kg/m-2 from the lowest to the highest densities, respectively. At the termination of the experiment, the mean weight reached 362.4±6.9, 319.7±2.1, 267±9.2, 242.1±6.2 and 211.1±4.1 in densities of 1 to 8kg/m-2, respectively. Results of the present study showed that GROWTH parameters, including: Final weight (W), body weight daily (BWD), weight gain (WG), condition factor (CF) and feed efficiency (FE) had significant differences among the treatments (P<0.05). WATER QUALITY indices including nitrite (N02), ammonia (NH3), nitrate (N03) and dissolved oxygen (DO) showed significant differences among the treatments affected by different densities, while other WATER QUALITY parameters including temperature and pH showed no significant difference (P>0.05). Results showed that stocking densities have major effects on WATER QUALITY and GROWTH indices of Beluga juveniles.

Cites

WATER PHYSICO-CHEMICAL CHARACTERISTICS RELATION WITH PRODUCTION VALUE IN WARM WATER CULTURE FISHES PONDS AT EAST OF GONBADE KAVOUS CITY, GOLESTAN PROVINCE

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APA: Copy

RAFATNEZHAD, S., & FALAHATKAR, B.. (2011). EVALUATION OF STOCKING DENSITY ON WATER QUALITY PARAMETERS IN REARING OF BELUGA (HUSO HUSO). IRANIAN SCIENTIFIC FISHERIES JOURNAL, 20(1 (74)), 165-170. SID. https://sid.ir/paper/4670/en

Vancouver: Copy

RAFATNEZHAD S., FALAHATKAR B.. EVALUATION OF STOCKING DENSITY ON WATER QUALITY PARAMETERS IN REARING OF BELUGA (HUSO HUSO). IRANIAN SCIENTIFIC FISHERIES JOURNAL[Internet]. 2011;20(1 (74)):165-170. Available from: https://sid.ir/paper/4670/en

IEEE: Copy

S. RAFATNEZHAD, and B. FALAHATKAR, “EVALUATION OF STOCKING DENSITY ON WATER QUALITY PARAMETERS IN REARING OF BELUGA (HUSO HUSO),” IRANIAN SCIENTIFIC FISHERIES JOURNAL, vol. 20, no. 1 (74), pp. 165–170, 2011, [Online]. Available: https://sid.ir/paper/4670/en

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