Determination of Hematological Status as Health Indicator of European Sea Bass (Dicentrarchus labrax L.) Fed Different Dietary Fatty Acids

Şahan, Aysel; Yılmaz, Hatice Asuman; Erdogan, Orhan

doi:10.24925/turjaf.v5i4.445-450.1106

Cited by 3 publications

(2 citation statements)

References 20 publications

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“…European sea bass diets were researched their possible effects by adding to many vegetable oils, like soybean, cotton seed, palm, rapeseed, linseed, corn, olive, sunflower oils, etc. (Izquierdo et al, 2003;Yildiz and Şener, 2004;Richard et al, 2006;Eroldoğan et al, 2012;Özşahinoğlu et al, 2013;Sahan et al, 2016;Şahan et al, 2017). It can be argued that information is not yet available on the actual potential or limits of the inclusion of peanut oil (PNO) in feed for European sea bass.…”

Section: Introductionmentioning

confidence: 99%

Potential of Using Peanut Oil as Alternative to Fish Oil for European Seabass Diets (Dicentrarchus Labrax) in Recirculated Systems

Dernekbaşı¹

2021

alinteri

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The effects of diets containing peanut oil at different ratios on growth performance, biochemical and fatty acid compositions of juvenile European seabass, Dicentrarchus labrax, were evaluated under controlled conditions in the recirculated system for 12 weeks. The trial was planned as 6 groups (18 tanks) with three replicates and stocked as 12 fish (mean weight ~4.72±0.01 g) in each tank and was fed by one of six experimental diets. Each diet was formulated to replace 0% (FO, control), 20% (PNO20), 40% (PNO40), 60% (PNO60), 80% (PNO80) and 100% (PNO100) of the fish oil with peanut oil. Feed conversion ratio (FCR) was the best in the PNO80 group (p<0.05). The fatty acid composition of the fillet reflects the fatty acids in the test diets. The polyunsaturated fatty acids (PUFA) of PNO60, PNO80 and PNO100 groups were lower than other experimental groups. The saturated fatty acids (SFA) were the highest in the PNO100 group. Some fatty acids [C16:0, palmitic acid (PA); C20:0, arachidic acid (AA); C18:1n-9c, oleic acid (OA); C20:1, eicosenoic acid (ESA); C20:3n-6, dihomo γ-linolenic acid (γ-ALA); C20:5n-3, eicosapentaenoic acid (EPA) and C22:6n-3, docosapentaenoic acid (DHA)] were present higher proportion in fillet of all groups compared to experimental diets. EPA was lower in control and PNO20 compare to experimental diets. As a result, the use of peanut oil in different ratios in the diets had not a negative effect on the growth and proximate composition of European sea bass. This study also indicates that as long as fish meal is available in the diet, peanut oil can be considered a reasonably effective replacement for fish oil in sea bass feeds.

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Section: Introductionmentioning

confidence: 99%

Potential of Using Peanut Oil as Alternative to Fish Oil for European Seabass Diets (Dicentrarchus Labrax) in Recirculated Systems

Dernekbaşı¹

2021

alinteri

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“…In the fish feed industry, fish oil costs increased due to the decline in fish stocks and rising demand (Izquierdo et al, 2005;Şahan et al, 2017), and this increase in fish oil prices was reflected in feed costs. In fish feeds, it is very important to prepare a balanced ration to meet the needs of fish.…”

Section: Introductionmentioning

confidence: 99%

Effects of total replacement of dietary fish oil by vegetable oils on growth performance, nutritional quality and fatty acid profiles of rainbow trout (Oncorhynchus mykiss) at optimum and high temperature conditions

Dernekbaşı¹,

Akyüz²,

Karayücel³

2021

EgeJFAS

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The present study investigated the effects of total replacement of dietary fish oil by different vegetable oils on growth performance, nutritional quality and fatty acid profiles of rainbow trout (Oncorhynchus mykiss) at optimum and high temperature conditions. Five iso-nitrogenous and iso-lipidic diets including 100% fish oil and vegetable oils were prepared for rainbow trout fingerlings with an average weight of 11.27±0.01 g. After the fish were fed experimental diets for 9 weeks at the optimum temperature (17.74±0.01°C), all groups were fed an FO diet containing only fish oil for 4-weeks at the upper optimum temperature conditions (19.28±0.11°C). In both feeding trials, experimental fish were hand-fed ad libitium twice a day. Results showed that growth performance and feeding efficiency were significantly better (p<0.05) in groups fed by VO-based diets compared to groups fed by FO based diet at optimum temperature. Survival was 100% in CANO, SFO, CO PNO groups and 94.12±3.39% in FO (control) group at the end of the 9 weeks. Growth, feed consumption and survival of fish fed the upper-optimum temperature were significantly differed (p<0.05). In particular, while the survival rate of the groups fed with vegetable oil-based diets at optimum temperature and then fed only fish oil remained 100%, this rate decreased to 54.17±1.39% in the control group. Eicosapentaenoic acid (EPA, 20:5n-3), docosahexaenoic acid (DHA, 22:6n-3) and n-3 PUFA of fish fed by VO based diets were low. When all groups were fed only FO diet for 4 weeks at upper-optimum temperatures, EPA, DHA and n-3 PUFA ratios increased. In addition, after the upper-optimum temperature trial, increases in the nutritional quality indices of fish meat were also detected.

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Multifactorial Screening Reveals New Insight into Early Cadmium Exposure and Garlic Interactions in Dicentrarchus labrax

Mosbah

Dhaouadi

Abdeljelil

et al. 2021

Biol Trace Elem Res

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Determination of Hematological Status as Health Indicator of European Sea Bass (Dicentrarchus labrax L.) Fed Different Dietary Fatty Acids

Cited by 3 publications

References 20 publications

Potential of Using Peanut Oil as Alternative to Fish Oil for European Seabass Diets (Dicentrarchus Labrax) in Recirculated Systems

Potential of Using Peanut Oil as Alternative to Fish Oil for European Seabass Diets (Dicentrarchus Labrax) in Recirculated Systems

Effects of total replacement of dietary fish oil by vegetable oils on growth performance, nutritional quality and fatty acid profiles of rainbow trout (Oncorhynchus mykiss) at optimum and high temperature conditions

Multifactorial Screening Reveals New Insight into Early Cadmium Exposure and Garlic Interactions in Dicentrarchus labrax

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