Dietary oxidized oils decreased growth, antioxidative capacity, and negatively affected skin color of channel catfish, <scp><i>Ictalurus punctatus</i></scp>

Liang, Gaoyang; Li, Xiaoqin; Yang, Hang; Huan, Dianyu; Xu, Zhengping; Leng, Xiangjun; QiPing, Gao

doi:10.1111/jwas.12556

Cited by 12 publications

(3 citation statements)

References 34 publications

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“…In the current study, the significantly increasing of serum (ALT, AST) activity on fish fed oxidized oils seems that oxidized fish oil caused liver tissue damage. Similar studies have been found in GIFT Oreochromis niloticus (Yu et al, 2020), Ictalurus punctatus (Liang et al, 2018), Ictalurus punctatus (Shi et al, 2021), when fed with oxidized oil. Whereas, our study result is not matched with the findings of Luo et al, (2021) in feeding (Acipenser schrenckii) with oxidized oil, which showed that oxidized oil did not affect on serum ALT, AST activity.…”

Section: Discussionsupporting

confidence: 87%

The Effect of Oxidized Fish Oil on Blood Parameters and Liver Histology of Nile Tilapia (Oreochromis niloticus)

Tahir¹,

Kop²

2022

IJIAAR

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Fish oil is a virtually unique source of natural LC omega-3 fatty acids EPA, DPA, and DHA, as an important source of lipid in aquafeeds. However during processing and storage, fish oil is prone to oxidation. The oxidized oil has many negative effects on the growth and health of farmed fish, therefore this study was conducted to investigate the effect of oxidized anchovy oil on blood parameters and liver histology of Nile tilapia (Oreochromis niloticus). Nile tilapia fingerlings with an initial average body weight of (15.07±0.58 g) were stocked in nine fiberglass tanks (with a tank capacity of 120 liters) in three groups in triplicates at a density of 50 fish/tank. Fish were fed with three test diets containing 35% crude protein and 8% crude fat (POV: 4.85, 50.10, and 100.80 meq/kg-1) twice a day at a feeding rate of 3% of their body weight per day for 12 weeks. During the experiment fish blood parameters analysis, and liver histology tests were performed on 3 fish taken randomly from each tank at the beginning of the experiment and monthly. The results of blood chemistry analysis showed better results in the group fed with feed that contained fresh oil (A) compared to groups fed with feeds that contained oxidized oils (B and C), but no significant differences (P > 0.05) between feed groups. Whereas the results of serum biochemical analysis showed significant differences (P > 0.05) between feed groups during the experiment period, oxidized fish oil increased serum ALT, AST activity, and TCHO level (P < 0.05), and decreased ALP activity. The liver histology test showed the best results in group A compared to oxidized oil groups (B, C), oxidized fish oil caused damage to the liver structure, and hepatocyte nuclear migration and lipid droplets were observed in liver samples from the oxidized oil groups. In conclusion, the present study demonstrates that oxidized fish oil may have a negative effect on the liver histology and blood parameters of Nile tilapia fingerlings.

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Section: Discussionsupporting

confidence: 87%

The Effect of Oxidized Fish Oil on Blood Parameters and Liver Histology of Nile Tilapia (Oreochromis niloticus)

Tahir¹,

Kop²

2022

IJIAAR

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“…Then the individual live body weights, the total length were measured using a measuring board, and an electronic weighing scale (QE-400-capacity 5000 gx1 gx177oz x0.1 oz). The fish growth parameters were calculated according to the following formulae [14,15,16…”

Section: Fishmentioning

confidence: 99%

Some Biological Observations on Rearing Juveniles of Nile Tilapia (Oreochromis niloticus (Linnaeus, 1758)) in Fixed Cages at Gezira Irrigation Canals, Sudan

Tahir

Alnaiem²,

Ahmed

2021

AJFAR

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This study was conducted at Gezira Irrigation canal to evaluate the growth performance and the effect of water tempetrature to the culture ability of Nile tilapia juveniles for 120 days. Monosex Oreochromis niloticus sized 8.17±0.33 g were carried out from Mabroka fish farm and stocked in 400 m³ fixed cages at a density of 50 fish/m³. Fish were fed daily with a commercial pellet diet with 33% protein concentration at a feeding rate of 3% of their body weight per day. Feed was given twice a day (09:00 morning and 16:00 evening). Fish growth parameters, water quality analysis have measured every two weeks. The final body weight of fish was 40.23±1.04 grams and the mean daily gained weight was 0.29 g/day, while the survival rate of fish was 99.7%±6.7 and the Food Conversion Ratio (FCR) was 3.8. The average value of temperature, pH and transparency were 23°C, 7.5, 31.5 cm respectively. The results of the study revealed that there is a possibility to culture tilapia juvenile at stocking density of 50/m³ in fixed cages in Irrigation Canals, for the effect of water temperature on fish growth performance the results obtained that no more effect on fish growth during study period.

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“…However, the use of plant-based protein sources as an alternative element in the fish diet is commonly hampered by antinutritional compounds. The amount of antinutritional substances in the body has a direct impact on nutrient intake and digestion 16,17 . Plant protein concentrates have an advantage over whole meals as their non-digestible fibre is removed, allowing for higher concentrations in aqua diets 18 .…”

Section: Introductionmentioning

confidence: 99%

Effect of Different Sources of Plant Protein on the Growth of Tilapia Fry (Oreochromis niloticus)

El-Nouman¹,

Egbal²,

Sana³

et al. 2022

International J. of Agricultural Research

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Background and Objective: In aquaculture, lower feed costs are generally desired, this may be achieved without impacting growth by lowering the level or replacing less expensive feed ingredients for more expensive ones. According to the study's objective, cheaper plant protein sources must be used for Nile tilapia fry growth and performance, encouraging the use of a variety of locally available plant protein sources. Materials and Methods: For 6 weeks, Nile tilapia fry (Oreochromis niloticus) weighing an average of 2.821.02 g was kept in glass aquaria (75×35×30 cm). Fish were fed a 35 percent protein diet consisting of peanut meal (PM), sesame meal (SM), cottonseed meal (CSM), wheat bran (WB) and sorghum (S) as energy sources during culture. Every day, the fish were fed 5% of their body weight (3 doses). Results: The fish on a diet containing peanut meal (PM), cottonseed meal (CSM) and wheat bran (WB) grew the fastest in this study, with a growth rate of 108.2±0.96%, followed by diets containing peanut meal (PM) and wheat bran (WB) at 81.1±1.32%. Diets with PM, CSM, SM and WB showed the least growth 61.7±2.01% and followed by diets with PM, SM and WB 60.9±2.01%. The fish's weight increased in all treatments indicates that the experimental diets were well-accepted by the fish. Conclusion: After the experiment, no significant differences (p>0.05) between the diets were found. Diet consisting of PM, CSM and WB caused the most weight increase (108.2±0.96%) and the highest food conversion ratio (2.27±0.39). A diet containing PM, CSM and WB was the best diet in terms of both cost and FCR, with the lowest feed cost per kilogram of fish produced (2.84 SP kgG 1 fish).

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Dietary oxidized oils decreased growth, antioxidative capacity, and negatively affected skin color of channel catfish, Ictalurus punctatus

Cited by 12 publications

References 34 publications

The Effect of Oxidized Fish Oil on Blood Parameters and Liver Histology of Nile Tilapia (Oreochromis niloticus)

The Effect of Oxidized Fish Oil on Blood Parameters and Liver Histology of Nile Tilapia (Oreochromis niloticus)

Some Biological Observations on Rearing Juveniles of Nile Tilapia (Oreochromis niloticus (Linnaeus, 1758)) in Fixed Cages at Gezira Irrigation Canals, Sudan

Effect of Different Sources of Plant Protein on the Growth of Tilapia Fry (Oreochromis niloticus)

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