Spirulina (Arthrospira) platensis as a protein source could improve growth, feed utilisation and digestion and physiological status in juvenile blunt snout bream (Megalobrama amblycephala)

To investigate the effects of replacing fishmeal with Spirulina (Arthrospira) platensis, juvenile blunt snout bream (Megalobrama amblycephala) (bodyweight 21.60 ± 0.44 g) were fed with six diets containing 0%(SP0), 0.75%(SP0.75), 1.5%(SP1.5), 3%(SP3), 6%(SP6), and 9.5%(SP9.5) of S. platensis for 65...

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Autores principales:	Wenqiang Jiang, Linghong Miao, Yan Lin, Lining Ci, Bo Liu, Xianping Ge
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2022
Materias:	Nutrition Fishmeal replacement Spirulina (Arthrospira platensis) Apparent digestibility Immunocompetence Aquaculture. Fisheries. Angling SH1-691
Acceso en línea:	https://doaj.org/article/d27e65876c9f4e91b9965c31b13cc22e
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spelling	oai:doaj.org-article:d27e65876c9f4e91b9965c31b13cc22e2021-11-10T04:28:41ZSpirulina (Arthrospira) platensis as a protein source could improve growth, feed utilisation and digestion and physiological status in juvenile blunt snout bream (Megalobrama amblycephala)2352-513410.1016/j.aqrep.2021.100932https://doaj.org/article/d27e65876c9f4e91b9965c31b13cc22e2022-02-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S2352513421003495https://doaj.org/toc/2352-5134To investigate the effects of replacing fishmeal with Spirulina (Arthrospira) platensis, juvenile blunt snout bream (Megalobrama amblycephala) (bodyweight 21.60 ± 0.44 g) were fed with six diets containing 0%(SP0), 0.75%(SP0.75), 1.5%(SP1.5), 3%(SP3), 6%(SP6), and 9.5%(SP9.5) of S. platensis for 65 days. It was found S. platensis improved growth performance, that the weight gain rate (WGR), protein efficiency ratio (PER) were highest following 3.0% S. platensis, and the feed conversion ratio (FCR) was lowest. Besides, the WGR of SP3 group was significantly higher than SP6 and SP9.5 groups, while the PER and FCR were significantly different from the SP6 group. S. platensis affected the apparent digestibility of crude lipid, which was higher in the SP9.5 group than the control and the SP0.75 groups, but the digestibility of methionine and cysteine were lowest in SP9.5 group. As for the muscle compositions, serine was significantly elevated in the SP1.5 group than the control group, and glycine was significantly increased in the SP3 group. The contents of lysine and valine in whole fish were significantly higher in the SP1.5 group than the SP0.75 group. The content of complement 4 in plasma was significantly lower in control group than the SP1.5–9.5 groups. The plasma aspartate transaminase activities and the malondialdehyde contents of SP6 and SP9.5 groups were significantly higher than the SP1.5 group. The liver peroxidase activity and total antioxidant capacity of SP9.5 group were significantly lower than control group. In summary, the inclusion of S. platensis could improve lipid digestion and immune response of M. amblycephala. 3.0% S. platensis inclusion in the diet (replacing 33.25% fishmeal) achieved the best growth performance and feed utilisation.Wenqiang JiangLinghong MiaoYan LinLining CiBo LiuXianping GeElsevierarticleNutritionFishmeal replacementSpirulina (Arthrospira platensis)Apparent digestibilityImmunocompetenceAquaculture. Fisheries. AnglingSH1-691ENAquaculture Reports, Vol 22, Iss , Pp 100932- (2022)
institution	DOAJ
collection	DOAJ
language	EN
topic	Nutrition Fishmeal replacement Spirulina (Arthrospira platensis) Apparent digestibility Immunocompetence Aquaculture. Fisheries. Angling SH1-691
spellingShingle	Nutrition Fishmeal replacement Spirulina (Arthrospira platensis) Apparent digestibility Immunocompetence Aquaculture. Fisheries. Angling SH1-691 Wenqiang Jiang Linghong Miao Yan Lin Lining Ci Bo Liu Xianping Ge Spirulina (Arthrospira) platensis as a protein source could improve growth, feed utilisation and digestion and physiological status in juvenile blunt snout bream (Megalobrama amblycephala)
description	To investigate the effects of replacing fishmeal with Spirulina (Arthrospira) platensis, juvenile blunt snout bream (Megalobrama amblycephala) (bodyweight 21.60 ± 0.44 g) were fed with six diets containing 0%(SP0), 0.75%(SP0.75), 1.5%(SP1.5), 3%(SP3), 6%(SP6), and 9.5%(SP9.5) of S. platensis for 65 days. It was found S. platensis improved growth performance, that the weight gain rate (WGR), protein efficiency ratio (PER) were highest following 3.0% S. platensis, and the feed conversion ratio (FCR) was lowest. Besides, the WGR of SP3 group was significantly higher than SP6 and SP9.5 groups, while the PER and FCR were significantly different from the SP6 group. S. platensis affected the apparent digestibility of crude lipid, which was higher in the SP9.5 group than the control and the SP0.75 groups, but the digestibility of methionine and cysteine were lowest in SP9.5 group. As for the muscle compositions, serine was significantly elevated in the SP1.5 group than the control group, and glycine was significantly increased in the SP3 group. The contents of lysine and valine in whole fish were significantly higher in the SP1.5 group than the SP0.75 group. The content of complement 4 in plasma was significantly lower in control group than the SP1.5–9.5 groups. The plasma aspartate transaminase activities and the malondialdehyde contents of SP6 and SP9.5 groups were significantly higher than the SP1.5 group. The liver peroxidase activity and total antioxidant capacity of SP9.5 group were significantly lower than control group. In summary, the inclusion of S. platensis could improve lipid digestion and immune response of M. amblycephala. 3.0% S. platensis inclusion in the diet (replacing 33.25% fishmeal) achieved the best growth performance and feed utilisation.
format	article
author	Wenqiang Jiang Linghong Miao Yan Lin Lining Ci Bo Liu Xianping Ge
author_facet	Wenqiang Jiang Linghong Miao Yan Lin Lining Ci Bo Liu Xianping Ge
author_sort	Wenqiang Jiang
title	Spirulina (Arthrospira) platensis as a protein source could improve growth, feed utilisation and digestion and physiological status in juvenile blunt snout bream (Megalobrama amblycephala)
title_short	Spirulina (Arthrospira) platensis as a protein source could improve growth, feed utilisation and digestion and physiological status in juvenile blunt snout bream (Megalobrama amblycephala)
title_full	Spirulina (Arthrospira) platensis as a protein source could improve growth, feed utilisation and digestion and physiological status in juvenile blunt snout bream (Megalobrama amblycephala)
title_fullStr	Spirulina (Arthrospira) platensis as a protein source could improve growth, feed utilisation and digestion and physiological status in juvenile blunt snout bream (Megalobrama amblycephala)
title_full_unstemmed	Spirulina (Arthrospira) platensis as a protein source could improve growth, feed utilisation and digestion and physiological status in juvenile blunt snout bream (Megalobrama amblycephala)
title_sort	spirulina (arthrospira) platensis as a protein source could improve growth, feed utilisation and digestion and physiological status in juvenile blunt snout bream (megalobrama amblycephala)
publisher	Elsevier
publishDate	2022
url	https://doaj.org/article/d27e65876c9f4e91b9965c31b13cc22e
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Spirulina (Arthrospira) platensis as a protein source could improve growth, feed utilisation and digestion and physiological status in juvenile blunt snout bream (Megalobrama amblycephala)

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