EFFECTS OF CROWDING STRESS ON GROWTH INDICES AND SURVIVAL RATE OF GOLDFISH (CARASSIUS AURATUS)

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HASSAN NATAJ NIAZI ELAHEH; IMANPOUR MOHAMMAD REZA; ZAD MAJID VAHID; TAGHIZAHEH VAHID

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Journal: BREEDING AND AQUACULTURE SCIENCES QUARTERLY Year:2013 | Volume:1 | Issue:2 Page(s): 33-44

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Title

EFFECTS OF CROWDING STRESS ON GROWTH INDICES AND SURVIVAL RATE OF GOLDFISH (CARASSIUS AURATUS)

Author(s)

HASSAN NATAJ NIAZI ELAHEH | IMANPOUR MOHAMMAD REZA | ZAD MAJID VAHID | TAGHIZAHEH VAHID | Issue Writer Certificate

Keywords

GOLDFISHQ2

STRESSQ2

CROWDINGQ2

GROWTHQ2

SURVIVALQ2

Abstract

This study was designed to investigate the effect of CROWDING STRESS at 4 levels (6, 9 (control), 12 and 15 fish per aquarium 76 liter) on GROWTH indices (weight gain, specific GROWTH rate (SGR) and condition factor (CF)), feed conversion ratio (FCR) and SURVIVAL rate of GOLDFISH (Carassus auratus) over a period of 5 months. Biometric characteristics of fish including total length (cm), weight (g), GROWTH rate (g), specific GROWTH rate (g/ day) and feed conversion ratio were determined every two weeks. GOLDFISH with average weight 3.50±0.27 g, were respectively divided in 4 treatments 6, 9, 12 and 15 fish per tank with 3 replicates for each treatment. After the end of the trial period, the average weight of fish in each group were recorded 14.79±2.61, 15.98±0.32, 33.15±1.47 and 14.2±0.30 g, respectively. With the increasing CROWDING of GOLDFISH, GROWTH indices, including secondary weight, weight gain, specific GROWTH rate and feed conversion rate showed a significant difference (P<0.05), but condition factor did not show significantly different (P˃0.05). SURVIVAL rate were not significantly different between different densities (P>0.05). The results of this study, density significantly affected the GROWTH, but had no significant effect on SURVIVAL.

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APA: Copy

HASSAN NATAJ NIAZI, ELAHEH, IMANPOUR, MOHAMMAD REZA, ZAD MAJID, VAHID, & TAGHIZAHEH, VAHID. (2013). EFFECTS OF CROWDING STRESS ON GROWTH INDICES AND SURVIVAL RATE OF GOLDFISH (CARASSIUS AURATUS). BREEDING AND AQUACULTURE SCIENCES QUARTERLY, 1(2), 33-44. SID. https://sid.ir/paper/241677/en

Vancouver: Copy

HASSAN NATAJ NIAZI ELAHEH, IMANPOUR MOHAMMAD REZA, ZAD MAJID VAHID, TAGHIZAHEH VAHID. EFFECTS OF CROWDING STRESS ON GROWTH INDICES AND SURVIVAL RATE OF GOLDFISH (CARASSIUS AURATUS). BREEDING AND AQUACULTURE SCIENCES QUARTERLY[Internet]. 2013;1(2):33-44. Available from: https://sid.ir/paper/241677/en

IEEE: Copy

ELAHEH HASSAN NATAJ NIAZI, MOHAMMAD REZA IMANPOUR, VAHID ZAD MAJID, and VAHID TAGHIZAHEH, “EFFECTS OF CROWDING STRESS ON GROWTH INDICES AND SURVIVAL RATE OF GOLDFISH (CARASSIUS AURATUS),” BREEDING AND AQUACULTURE SCIENCES QUARTERLY, vol. 1, no. 2, pp. 33–44, 2013, [Online]. Available: https://sid.ir/paper/241677/en

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