The effect of Hawthorn (Crataegus monogyna) powder on skin dye, growth and nutrition indices of Convict Cichlid (Heros severus)

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CHANGIZI REZA; Ghubadi Shayan; GHIYASVAND ZAHRA; ShamloFar Mahshid

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Journal: Journal of Applied Biology Year:2019 | Volume:31 | Issue:4 Page(s): 61-70

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Title

The effect of Hawthorn (Crataegus monogyna) powder on skin dye, growth and nutrition indices of Convict Cichlid (Heros severus)

Author(s)

CHANGIZI REZA | Ghubadi Shayan | GHIYASVAND ZAHRA | ShamloFar Mahshid | Issue Writer Certificate

Keywords

AstaxanthinQ1

CarotenoidQ1

Red hawthornQ1

SeverumQ1

Abstract

In this study, we have investigated the effects of Red hawthorn powder= Valik (RHP) (Crataegus monogyna) as a natural pigment sources and Astaxanthin as synthetic pigment source on growth, and skin color of Severum (Heros severus) with initially average weight 8. 5 ± 0. 57 for a period of 60 days. Basal diet was supplemented with 0 (control), 1 g kg-1 Astaxanthin, 5, 15 and 25 g kg-1RHP in a totally randomized design trial in triplicate groups. The results showed significant differences in growth and skin color between control and treatment groups (P<0. 05). There was a statistically significant increase (P<0. 05) in growth performances level in group treated with 25 g kg-1RHP. The highest and the lowest growth performances were observed in control and 25 g kg-1RHP, respectively. Total Carotenoid content of the fish was determined spectrophotometrically at the end of the experiment. As a result, a visible change of color in the skin of the fish fed on the feed containing Astaxanthin was observed with 0. 58± 0. 2 mg g-1 of pigment accumulation while a relatively change of color was observed in the skin of other fish that were fed on the feed containing powder RHP with 0. 54± 0. 2 mg g-1 of pigment accumulations, respectively (p>0. 05). Therefore, it was determined that these pigment sources have an effect on the color of Severum fish.

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APA: Copy

CHANGIZI, REZA, Ghubadi, Shayan, GHIYASVAND, ZAHRA, & ShamloFar, Mahshid. (2019). The effect of Hawthorn (Crataegus monogyna) powder on skin dye, growth and nutrition indices of Convict Cichlid (Heros severus). JOURNAL OF APPLIED BIOLOGY (JOURNAL OF SCIENCE), 31(4 ), 61-70. SID. https://sid.ir/paper/22648/en

Vancouver: Copy

CHANGIZI REZA, Ghubadi Shayan, GHIYASVAND ZAHRA, ShamloFar Mahshid. The effect of Hawthorn (Crataegus monogyna) powder on skin dye, growth and nutrition indices of Convict Cichlid (Heros severus). JOURNAL OF APPLIED BIOLOGY (JOURNAL OF SCIENCE)[Internet]. 2019;31(4 ):61-70. Available from: https://sid.ir/paper/22648/en

IEEE: Copy

REZA CHANGIZI, Shayan Ghubadi, ZAHRA GHIYASVAND, and Mahshid ShamloFar, “The effect of Hawthorn (Crataegus monogyna) powder on skin dye, growth and nutrition indices of Convict Cichlid (Heros severus),” JOURNAL OF APPLIED BIOLOGY (JOURNAL OF SCIENCE), vol. 31, no. 4 , pp. 61–70, 2019, [Online]. Available: https://sid.ir/paper/22648/en

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