Orange pulp in Nile tilapia (Oreochromis niloticus) diets: Growth performance, biochemical parameters and gene expression for growth and fat metabolism

The experiment investigated the effect of dietary orange pulp (OP) with or without enzymes supplementation on the performance parameters, chemical composition, serum biochemistry, and some liver gene expression in tilapia for twelve weeks. The studied fish (n = 300) were allotted into six groups acc...

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Autores principales:	Walid Tawfik, Eldsokey Nassef, Abdelnasser Bakr, Elsayed Hegazi, Tamer Ahmed Ismail, Aaser M. Abdelazim, Sahar H. El-Nagar, Islam Sabike, Sabreen E. Fadl, Ashraf M. Sharoba
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2022
Materias:	Oreochromis niloticus Growth performance Orange pulp Enzymes, Biochemistry, Gene expression Aquaculture. Fisheries. Angling SH1-691
Acceso en línea:	https://doaj.org/article/2a2b93f510c84c7db3485f78a9e90008
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spelling	oai:doaj.org-article:2a2b93f510c84c7db3485f78a9e900082021-12-04T04:35:18ZOrange pulp in Nile tilapia (Oreochromis niloticus) diets: Growth performance, biochemical parameters and gene expression for growth and fat metabolism2352-513410.1016/j.aqrep.2021.100970https://doaj.org/article/2a2b93f510c84c7db3485f78a9e900082022-02-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S2352513421003872https://doaj.org/toc/2352-5134The experiment investigated the effect of dietary orange pulp (OP) with or without enzymes supplementation on the performance parameters, chemical composition, serum biochemistry, and some liver gene expression in tilapia for twelve weeks. The studied fish (n = 300) were allotted into six groups according to OP level (0%, 10%, and 20%) with or without enzymes supplementation (+/-). The performance results indicated that the inclusion level of OP by 20% negatively affected FCR and decreased final body weight. The dietary enzymes did not alleviate the unfavorable effect of OP on the final body weight. Higher dietary replacement levels of OP reduced serum lipid profile, serum proteins, and carcass fat, but increased carcass protein and ash compared to the control. The dietary enzymes produced higher serum lipids and proteins as compared to non-supplemented groups. Fish-fed the control diet supplemented with enzymes (G2) expressed higher RNA levels of GHR and IGF1 genes compared to the other groups. Excess dietary OP lowered the RNA level of FAS and LPL genes but improved simultaneously when supplemented with enzymes. Overall, the higher dietary OP (20%) with or without enzymes supplementation, did not benefit the tilapia performance, metabolic, and genetic indices, and the chemical composition of the carcass. But, the lower level of OP (10%) supplemented with enzymes could be used in tilapia diets without adverse effects on performance, health, and carcass composition.Walid TawfikEldsokey NassefAbdelnasser BakrElsayed HegaziTamer Ahmed IsmailAaser M. AbdelazimSahar H. El-NagarIslam SabikeSabreen E. FadlAshraf M. SharobaElsevierarticleOreochromis niloticusGrowth performanceOrange pulpEnzymes, Biochemistry, Gene expressionAquaculture. Fisheries. AnglingSH1-691ENAquaculture Reports, Vol 22, Iss , Pp 100970- (2022)
institution	DOAJ
collection	DOAJ
language	EN
topic	Oreochromis niloticus Growth performance Orange pulp Enzymes, Biochemistry, Gene expression Aquaculture. Fisheries. Angling SH1-691
spellingShingle	Oreochromis niloticus Growth performance Orange pulp Enzymes, Biochemistry, Gene expression Aquaculture. Fisheries. Angling SH1-691 Walid Tawfik Eldsokey Nassef Abdelnasser Bakr Elsayed Hegazi Tamer Ahmed Ismail Aaser M. Abdelazim Sahar H. El-Nagar Islam Sabike Sabreen E. Fadl Ashraf M. Sharoba Orange pulp in Nile tilapia (Oreochromis niloticus) diets: Growth performance, biochemical parameters and gene expression for growth and fat metabolism
description	The experiment investigated the effect of dietary orange pulp (OP) with or without enzymes supplementation on the performance parameters, chemical composition, serum biochemistry, and some liver gene expression in tilapia for twelve weeks. The studied fish (n = 300) were allotted into six groups according to OP level (0%, 10%, and 20%) with or without enzymes supplementation (+/-). The performance results indicated that the inclusion level of OP by 20% negatively affected FCR and decreased final body weight. The dietary enzymes did not alleviate the unfavorable effect of OP on the final body weight. Higher dietary replacement levels of OP reduced serum lipid profile, serum proteins, and carcass fat, but increased carcass protein and ash compared to the control. The dietary enzymes produced higher serum lipids and proteins as compared to non-supplemented groups. Fish-fed the control diet supplemented with enzymes (G2) expressed higher RNA levels of GHR and IGF1 genes compared to the other groups. Excess dietary OP lowered the RNA level of FAS and LPL genes but improved simultaneously when supplemented with enzymes. Overall, the higher dietary OP (20%) with or without enzymes supplementation, did not benefit the tilapia performance, metabolic, and genetic indices, and the chemical composition of the carcass. But, the lower level of OP (10%) supplemented with enzymes could be used in tilapia diets without adverse effects on performance, health, and carcass composition.
format	article
author	Walid Tawfik Eldsokey Nassef Abdelnasser Bakr Elsayed Hegazi Tamer Ahmed Ismail Aaser M. Abdelazim Sahar H. El-Nagar Islam Sabike Sabreen E. Fadl Ashraf M. Sharoba
author_facet	Walid Tawfik Eldsokey Nassef Abdelnasser Bakr Elsayed Hegazi Tamer Ahmed Ismail Aaser M. Abdelazim Sahar H. El-Nagar Islam Sabike Sabreen E. Fadl Ashraf M. Sharoba
author_sort	Walid Tawfik
title	Orange pulp in Nile tilapia (Oreochromis niloticus) diets: Growth performance, biochemical parameters and gene expression for growth and fat metabolism
title_short	Orange pulp in Nile tilapia (Oreochromis niloticus) diets: Growth performance, biochemical parameters and gene expression for growth and fat metabolism
title_full	Orange pulp in Nile tilapia (Oreochromis niloticus) diets: Growth performance, biochemical parameters and gene expression for growth and fat metabolism
title_fullStr	Orange pulp in Nile tilapia (Oreochromis niloticus) diets: Growth performance, biochemical parameters and gene expression for growth and fat metabolism
title_full_unstemmed	Orange pulp in Nile tilapia (Oreochromis niloticus) diets: Growth performance, biochemical parameters and gene expression for growth and fat metabolism
title_sort	orange pulp in nile tilapia (oreochromis niloticus) diets: growth performance, biochemical parameters and gene expression for growth and fat metabolism
publisher	Elsevier
publishDate	2022
url	https://doaj.org/article/2a2b93f510c84c7db3485f78a9e90008
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Orange pulp in Nile tilapia (Oreochromis niloticus) diets: Growth performance, biochemical parameters and gene expression for growth and fat metabolism

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