EFFECT OF STOCKING DENSITY CHANGE ON GROWTH PERFORMANCE AND SOME HEMATOLOGICAL PARAMETERS OF RAINBOW TROUT (ONCHORHYNCHUS MYKISS)

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MOMENI V.; GHELICHI A.; JORJANI S.

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Journal: Journal of Aquaculture Development Year:2017 | Volume:11 | Issue:3 Page(s): 111-122

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Title

EFFECT OF STOCKING DENSITY CHANGE ON GROWTH PERFORMANCE AND SOME HEMATOLOGICAL PARAMETERS OF RAINBOW TROUT (ONCHORHYNCHUS MYKISS)

Author(s)

MOMENI V. | GHELICHI A. | JORJANI S. | Issue Writer Certificate

Keywords

DENSITYQ2

GROWTH PERFORMANCEQ1

HEMATOLOGICAL PARAMETERSQ2

RAINBOW TROUTQ2

Abstract

This study was designed in order to determine the effect of changing stocking DENSITY on individual growth of RAINBOW TROUT (Oncorhynchus mykiss) during a 60-day period. Fish (average weight: 30 gr) were cultured in triplicates of fiberglass tanks under stocking DENSITY 0f 14, 22, and 29 fish/m2 as T1, T2 and T3 respectively. In the 30th day, juveniles from lower DENSITY tanks were moved to higher DENSITY tanks and vice versa. On the 30th day, significant difference was detected on body weight among treatments (P<0.05). Also, result showed significant differences in body weight index, specific growth rate, net final production, final weight and FCR among the treatments (P<0.05). On the contrary, significant difference in effect of DENSITY on body weight index, body weight gain, net final production, final weight and FCR seemed to be within reach between the treatments after moving the fish to different densities (P<0.05). Results of hematological analysis showed significant decrease in T3 for values of WBCs count. Values of RBC, Hb, PSV, MCV, MCH, and MCHC showed non-significant differences among treatments. Changing the stocking DENSITY had non-significant effect on values of WBC, PSV, MCV, MCH and MCHC, while values RBC and Hb showed significant differences among treatments. In conclusion, the slow growth caused by high DENSITY can be compensated by rearing the fish in low DENSITY.

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APA: Copy

MOMENI, V., GHELICHI, A., & JORJANI, S.. (2017). EFFECT OF STOCKING DENSITY CHANGE ON GROWTH PERFORMANCE AND SOME HEMATOLOGICAL PARAMETERS OF RAINBOW TROUT (ONCHORHYNCHUS MYKISS). JOURNAL OF AQUACULTURE DEVELOPMENT, 11(3 ), 111-122. SID. https://sid.ir/paper/242078/en

Vancouver: Copy

MOMENI V., GHELICHI A., JORJANI S.. EFFECT OF STOCKING DENSITY CHANGE ON GROWTH PERFORMANCE AND SOME HEMATOLOGICAL PARAMETERS OF RAINBOW TROUT (ONCHORHYNCHUS MYKISS). JOURNAL OF AQUACULTURE DEVELOPMENT[Internet]. 2017;11(3 ):111-122. Available from: https://sid.ir/paper/242078/en

IEEE: Copy

V. MOMENI, A. GHELICHI, and S. JORJANI, “EFFECT OF STOCKING DENSITY CHANGE ON GROWTH PERFORMANCE AND SOME HEMATOLOGICAL PARAMETERS OF RAINBOW TROUT (ONCHORHYNCHUS MYKISS),” JOURNAL OF AQUACULTURE DEVELOPMENT, vol. 11, no. 3 , pp. 111–122, 2017, [Online]. Available: https://sid.ir/paper/242078/en

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