INFLUENCE OF STOCKING DENSITY ON WATER QUALITY AND GROWTH PARAMETERS OF BELUGA (HUSO HUSO) IN REARING TANKS

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RAFATNEZHAD S.; FALAHATKAR B.; TOLOUEI M.H.; EBRAHIMZADEH SHEIKHANI M.; HEYDARI M.

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Journal: SCIENTIFIC-RESEARCH IRANIAN VETERINARY JOURNAL Year:2011 | Volume:6 | Issue:4 (29) Page(s): 0-0

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Title

INFLUENCE OF STOCKING DENSITY ON WATER QUALITY AND GROWTH PARAMETERS OF BELUGA (HUSO HUSO) IN REARING TANKS

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Keywords

STOCKING DENSITY

WATER QUALITY

GROWTH

BELUGA (HUSO HUSO)

Abstract

The influence of STOCKING DENSITY (1, 2, 4, 6 and 8 kgm-2 ) was investigated on WATER QUALITY and GROWTH factors of Beluga (Huso huso) juveniles in fiberglass tanks for a period of 8 weeks. The mean weight of fish at the start of trial was 93.13 ± 1.04 g. After 8 weeks of rearing, the mean weight reached 362.4 ± 6.9, 319.7 ± 2.1, 267 ± 9.2, 242.1 ± 6.2 and 211.1 ± 4.1g in stocking densities between 1-8 kgm-2, respectively. The results of this study showed that GROWTH parameters, including final weight, specific GROWTH rate, had a statistically significant differences among treatments (P< 0.05). WATER QUALITY parameters nitrite (NO2), nitrate (NO3), ammonia (NH3) and dissolved oxygen (DO) showed statistically significant differences among treatments (P<0.05). High regression was observed in GROWTH parameters with nitrogen compounds. Other WATER QUALITY parameters including temperature (T), pH showed no significant effect on STOCKING DENSITY (P>0.05). These results showed that rearing density has major effects on the GROWTH indices of Beluga and WATER QUALITY whereas loss of WATER QUALITY leads to reduced feeding performance and GROWTH of fish.

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APA: Copy

RAFATNEZHAD, S., FALAHATKAR, B., TOLOUEI, M.H., EBRAHIMZADEH SHEIKHANI, M., & HEYDARI, M.. (2011). INFLUENCE OF STOCKING DENSITY ON WATER QUALITY AND GROWTH PARAMETERS OF BELUGA (HUSO HUSO) IN REARING TANKS. SCIENTIFIC-RESEARCH IRANIAN VETERINARY JOURNAL, 6(4 (29)), 0-0. SID. https://sid.ir/paper/592845/en

Vancouver: Copy

RAFATNEZHAD S., FALAHATKAR B., TOLOUEI M.H., EBRAHIMZADEH SHEIKHANI M., HEYDARI M.. INFLUENCE OF STOCKING DENSITY ON WATER QUALITY AND GROWTH PARAMETERS OF BELUGA (HUSO HUSO) IN REARING TANKS. SCIENTIFIC-RESEARCH IRANIAN VETERINARY JOURNAL[Internet]. 2011;6(4 (29)):0-0. Available from: https://sid.ir/paper/592845/en

IEEE: Copy

S. RAFATNEZHAD, B. FALAHATKAR, M.H. TOLOUEI, M. EBRAHIMZADEH SHEIKHANI, and M. HEYDARI, “INFLUENCE OF STOCKING DENSITY ON WATER QUALITY AND GROWTH PARAMETERS OF BELUGA (HUSO HUSO) IN REARING TANKS,” SCIENTIFIC-RESEARCH IRANIAN VETERINARY JOURNAL, vol. 6, no. 4 (29), pp. 0–0, 2011, [Online]. Available: https://sid.ir/paper/592845/en

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