EFFECT OF STOCKING DENSITY ON GROWTH INDICES, FEED EFFICIENCY AND WATER QUALITY IN HYBRID OF ASP (ASPIUS ASPIUS ♀) × KUTUM (RUTILUS FRISII ♂)

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BAGHERI M.; FALAHATKAR B.; EFATPANAH I.

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Journal: Journal of Aquaculture Development Year:2015 | Volume:9 | Issue:2 Page(s): 23-32

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Title

EFFECT OF STOCKING DENSITY ON GROWTH INDICES, FEED EFFICIENCY AND WATER QUALITY IN HYBRID OF ASP (ASPIUS ASPIUS ♀) × KUTUM (RUTILUS FRISII ♂)

Author(s)

BAGHERI M. | FALAHATKAR B. | EFATPANAH I. | Issue Writer Certificate

Keywords

CASPIAN KUTUMQ2

ASPQ2

STOCKING DENSITYQ2

GROWTHQ2

FEED EFFICIENCYQ2

WATER QUALITYQ2

Abstract

This study was performed to investigate the effect of STOCKING DENSITY on GROWTH performance, feeding and WATER QUALITY parameters to determine an optimal STOCKING DENSITY for rearing of hybrid of ASP (Aspius ASPius ♀) × Kutum (Rutilus frisii ♂). Fish with mean initial weight of 60.41±0.04 g (±SE) were reared at five stocking densities of 2, 4, 6, 8 and 10 kg m-3 (20, 40, 60, 80 and 100 fish tank-1) for 8 weeks. At the end of rearing period, the highest mean body weight was obtained at 10 kg m-3 and the lowest at 2 kg m-3 (P<0.05). GROWTH parameters including mean weight, weight gain, average daily GROWTH, specific GROWTH rate and condition factor were significantly increased with increasing STOCKING DENSITY (P<0.05). Increased STOCKING DENSITY significantly increased feed intake (P<0.05), while FEED EFFICIENCY, protein efficiency ratio and lipid efficiency ratio indicated no significant differences among different treatments (P>0.05). WATER QUALITY parameters including dissolved oxygen, pH, total ammonia, total nitrate and total nitrite were similar and did not show any significant differences among different densities (P>0.05). According to the obtained results, it seems that rearing of this hybrid at the density of 10 kg m-3 or more is possible without any negative impacts on GROWTH performance and feeding.

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APA: Copy

BAGHERI, M., FALAHATKAR, B., & EFATPANAH, I.. (2015). EFFECT OF STOCKING DENSITY ON GROWTH INDICES, FEED EFFICIENCY AND WATER QUALITY IN HYBRID OF ASP (ASPIUS ASPIUS ♀) × KUTUM (RUTILUS FRISII ♂). JOURNAL OF AQUACULTURE DEVELOPMENT, 9(2), 23-32. SID. https://sid.ir/paper/241973/en

Vancouver: Copy

BAGHERI M., FALAHATKAR B., EFATPANAH I.. EFFECT OF STOCKING DENSITY ON GROWTH INDICES, FEED EFFICIENCY AND WATER QUALITY IN HYBRID OF ASP (ASPIUS ASPIUS ♀) × KUTUM (RUTILUS FRISII ♂). JOURNAL OF AQUACULTURE DEVELOPMENT[Internet]. 2015;9(2):23-32. Available from: https://sid.ir/paper/241973/en

IEEE: Copy

M. BAGHERI, B. FALAHATKAR, and I. EFATPANAH, “EFFECT OF STOCKING DENSITY ON GROWTH INDICES, FEED EFFICIENCY AND WATER QUALITY IN HYBRID OF ASP (ASPIUS ASPIUS ♀) × KUTUM (RUTILUS FRISII ♂),” JOURNAL OF AQUACULTURE DEVELOPMENT, vol. 9, no. 2, pp. 23–32, 2015, [Online]. Available: https://sid.ir/paper/241973/en

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