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

Tawfik, Walid; Nassef, Eldsokey; Bakr, Abdelnasser; Hegazi, Elsayed; Ismail, Tamer Ahmed; Abdelazim, Aaser M.; El-Nagar, Sahar H.; Sabike, Islam Ibrahim; Fadl, Sabreen E.; Sharoba, Ashraf M.

doi:10.1016/j.aqrep.2021.100970

Cited by 5 publications

(3 citation statements)

References 44 publications

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“…In previous studies, pectin was found to significantly enhance the growth performance of aquatic organisms, 24‐26 which is different from our research results. However, the impact of orange pulp on the growth performance of Nile tilapia is consistent with our findings 27 . We believe that this is due to othernon‐starch polysaccharides (NSPs) in CP, as previous research has shown that high doses of NSPs can significantly reduce the growth performance of fish 8 …”

Section: Discussionsupporting

confidence: 91%

“…However, the impact of orange pulp on the growth performance of Nile tilapia is consistent with our findings. 27 We believe that this is due to othernon-starch polysaccharides (NSPs) in CP, as previous research has shown that high doses of NSPs can significantly reduce the growth performance of fish. 8 Intestinal nutrient absorption is one of the key indicators of intestinal health, and it is an important factor influencing animal growth.…”

Section: Discussionmentioning

confidence: 99%

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Effects of dietary citrus pulp level on the growth and intestinal health of largemouth bass (Micropterus salmoides)

Long,

Luo,

et al. 2023

J Sci Food Agric

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BACKGROUNDCitrus pulp (CP) is rich in pectin, and studies have shown that pectin possesses antioxidant, anti‐inflammatory, and gut microbiota‐regulating properties. However, the application of CP in aquafeed is limited. In this study, the effect of dietary inclusion of CP on the intestinal health of largemouth bass (Micropterus salmoides) was investigated. Juveniles of similar size (6.95 ± 0.07 g) were fed isonitrogenous and isoenergetic diets containing different levels of CP (0%, 3%, 6%, 9%, 12%, or 15%) for 58 days.RESULTSAs the level of CP in the feed for largemouth bass increased, the fish's growth performance and intestinal health initially improved and then declined. Adding low doses of CP (≤9%) to the feed had no significant impact on the growth performance of large‐mouth black bass, whereas high doses of CP (>9%) significantly reduced their growth performance. Adding 6%, 9%, or 12% of CP to that feed enhanced the expression of genes related to tight junctions, anti‐inflammatory activity, anti‐apoptotic activity, and antioxidant activity in the intestines of largemouth bass. It reduced intestinal inflammation and improved intestinal nutrient absorption, intestinal mucosal barrier function, and intestinal antioxidant capacity. Moreover, it improved the α‐diversity, structure, and function of the intestinal flora. The addition of 6% CP had the most beneficial effect on the intestinal health of largemouth bass. On the other hand, the addition of 15% CP had adverse effects on the intestinal antioxidant capacity and intestinal mucosal barrier function of largemouth bass.CONCLUSIONAdding 6–9% CP to the feed for largemouth bass can improve their intestinal health without having a significant impact on their growth performance. CP could serve as a novel prebiotic and immunostimulant ingredient in aquafeed. © 2023 Society of Chemical Industry.

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Section: Discussionsupporting

confidence: 91%

Section: Discussionmentioning

confidence: 99%

Effects of dietary citrus pulp level on the growth and intestinal health of largemouth bass (Micropterus salmoides)

Long,

Luo,

et al. 2023

J Sci Food Agric

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“…In the present study, growth performance and feed utilization decreased with increasing supplemental PPP above 2 g kg −1 . This could be due to the inability of fish to digest the non-starch polysaccharides present in prickly pear peel (Salem and Abdel-Ghany 2018 ; Tawfik et al 2022 ). The anti-nutritional factors (e.g., phytate, tannin and oxalate), which are considerably high in O. ficus indica , may have also adversely affected the growth performance and feed utilization when PPP was supplemented above 2 g kg −1 diet (Reda and Atsbha 2019 ).…”

Section: Discussionmentioning

confidence: 99%

Modulatory effects of dietary prickly pear (Opuntia ficus-indica) peel on high salinity tolerance, growth rate, immunity and antioxidant capacity of Nile tilapia (Oreochromis niloticus)

Salem,

Almisherfi,

El-Sayed

et al. 2024

Fish Physiol Biochem

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This study evaluated the effects of prickly pear (Opuntia ficus-indica) peel (PPP) on salinity tolerance, growth, feed utilization, digestive enzymes, antioxidant capacity, and immunity of Nile tilapia (Oreochromis niloticus). PPP was incorporated into four iso-nitrogenous (280 g kg−1 protein) and iso-energetic (18.62 MJ kg−1) diets at 0 (PPP0), 1 (PPP1), 2 (PPP2), and 4 (PPP4) g kg−1. Fish (9.69 ± 0.2 g) (mean ± SD) were fed the diets for 75 days. Following the feeding experiment, fish were exposed to a salinity challenge (25‰) for 24 h. Fish survival was not affected by the dietary PPP inclusion either before or after the salinity challenge. Fish fed the PPP-supplemented diets showed lower aspartate aminotransferase, alanine aminotransferase, cortisol, and glucose levels compared to PPP0, with the lowest values being observed in PPP1. Fish fed dietary PPP had higher growth rates and feed utilization than PPP0. Quadratic regression analysis revealed that the best weight gain was obtained at 2.13 g PPP kg−1 diet. The highest activities of protease and lipase enzymes were recorded in PPP1, while the best value of amylase was recorded in PPP2, and all PPP values were higher than PPP0. Similarly, PPP1 showed higher activities of lysozyme, alternative complement, phagocytic cells, respiratory burst, superoxide dismutase, glutathione peroxidase and catalase, and lower activity of malondialdehyde than in PPP0. Further increases in PPP levels above 2 g kg−1 diet led to significant retardation in the immune and antioxidant parameters. Thus, the inclusion of PPP at about 1 to or 2 g kg−1 diet can improve stress tolerance, immunity, and antioxidant capacity in Nile tilapia.

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Dietary feed nanozeolite, Pediococcus, and medium-chain fatty acid enhanced growth performance and transcription of growth-related gene of Nile tilapia (Oreochromis niloticus)

Elshafy,

El-Monem,

Khattab

et al. 2024

Aquacult Int

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The current trial was designed to evaluate the positive impacts of different feed additives singly or in combination on the growth performance, nutritional parameters, intestinal histology, and gene expression of some growth and fat metabolism-related genes in the liver tissue of Nile tilapia. The experimented fish were allocated into eight groups in a glass aquarium (10 fish/aquarium in triplicate) with Pediococcus acidilactici, nanozeolites, and/or medium-chain fatty acid additives. The studied treatments were control (T0), nanozeolite (T1), Pediococcus (T2), medium-chain fatty acid (T3), nanozeolite + Pediococcus (T4), nanozeolite + medium-chain fatty acid (T5), Pediococcus + medium-chain fatty acid (T6), and nanozeolite + Pediococcus + medium-chain fatty acid (T7). The results of the growth and nutritional parameters (i.e., final body weight, total weight gain, feed intake, specific growth rate, feed conversion ratio, and protein efficiency ratio) of tilapia-fed diets supplemented with Pediococcus, nanozeolites, and medium-chain fatty acids improved, but the combination of these additives was significantly more effective. Moreover, expression of growth hormone receptor 1 gene was upregulated (P ≤ 0.05) in T7 fish when compared with T0, other groups showing intermediate values. Expression of insulin-like growth factor-1 was upregulated (P ≤ 0.05) in T5, T6, and T7 fish when compared with the other groups. The expression of the fatty acid-binding protein was higher in T6 and T7 fish (P ≤ 0.05) when compared with T0, T1, and T3 fish. In conclusion, combined additives had significant effects on improving growth and regulating growth-related genes.

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

Cited by 5 publications

References 44 publications

Effects of dietary citrus pulp level on the growth and intestinal health of largemouth bass (Micropterus salmoides)

Effects of dietary citrus pulp level on the growth and intestinal health of largemouth bass (Micropterus salmoides)

Modulatory effects of dietary prickly pear (Opuntia ficus-indica) peel on high salinity tolerance, growth rate, immunity and antioxidant capacity of Nile tilapia (Oreochromis niloticus)

Dietary feed nanozeolite, Pediococcus, and medium-chain fatty acid enhanced growth performance and transcription of growth-related gene of Nile tilapia (Oreochromis niloticus)

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