Effect of different levels of Spirulina meal on growth performance, survival feed efficiency, body composition and apparent digestibility in Oscar fish (Astronotus ocellatus)

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Nosrati Movafagh A.; KERAMAT AMIRKOLAIE A.; OURAJI H.

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Journal: Journal of Aquaculture Development Year:2019 | Volume:13 | Issue:3 Page(s): 119-133

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Title

Effect of different levels of Spirulina meal on growth performance, survival feed efficiency, body composition and apparent digestibility in Oscar fish (Astronotus ocellatus)

Author(s)

Nosrati Movafagh A. | KERAMAT AMIRKOLAIE A. | OURAJI H. | Issue Writer Certificate

Keywords

SpirulinaQ1

PigmentationQ2

Oscar fishQ2

DigestibilityQ1

Abstract

The main objective of this study was to determine the effects of diets containing 0, 2. 5, 7. 5% Spirulina platens is meal on growth performance, survival rate, skin Pigmentation and Digestibility of carotenoids in Oscar fish (Astronotus ocellatus). 288 Oscar fish with mean body weight of 10. 73± 0. 09 randomly divided in to 24 aquariums with 45 liters’ water capacity. The experimental treatments were 0, 2. 5, 5 and 7. 5% Spirulina in diet. Fish fed 42 days by experimental diets. To maintain water quality siphoning and water change performed daily and water quality parameters measured weekly. The results showed adding Spirulina in diet showed no significant effect on growth performance, feed efficiency and survival of Oscar fish (P>0. 05). Carotenoid Digestibility was high in all treatments (>97%) and there was no significant difference between 7. 5% Spirulina and control group (P>0. 05). The highest skin carotenoid content was observed in fishes fed with 7. 5 Spirulina in their diet (P<0. 05). By respect to significant increase in body Pigmentation, the present results demonstrated that 7. 5% S. platensis meal can a suitable dietary level used in Oscar fish diet.

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APA: Copy

Nosrati Movafagh, A., KERAMAT AMIRKOLAIE, A., & OURAJI, H.. (2019). Effect of different levels of Spirulina meal on growth performance, survival feed efficiency, body composition and apparent digestibility in Oscar fish (Astronotus ocellatus). JOURNAL OF AQUACULTURE DEVELOPMENT, 13(3 ), 119-133. SID. https://sid.ir/paper/242040/en

Vancouver: Copy

Nosrati Movafagh A., KERAMAT AMIRKOLAIE A., OURAJI H.. Effect of different levels of Spirulina meal on growth performance, survival feed efficiency, body composition and apparent digestibility in Oscar fish (Astronotus ocellatus). JOURNAL OF AQUACULTURE DEVELOPMENT[Internet]. 2019;13(3 ):119-133. Available from: https://sid.ir/paper/242040/en

IEEE: Copy

A. Nosrati Movafagh, A. KERAMAT AMIRKOLAIE, and H. OURAJI, “Effect of different levels of Spirulina meal on growth performance, survival feed efficiency, body composition and apparent digestibility in Oscar fish (Astronotus ocellatus),” JOURNAL OF AQUACULTURE DEVELOPMENT, vol. 13, no. 3 , pp. 119–133, 2019, [Online]. Available: https://sid.ir/paper/242040/en

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