Apparent digestion and apparent retention of lipid and fatty acids in Atlantic cod (Gadus morhua) fed increasing dietary lipid levels

Hansen, Jon Øvrum; Berge, Gerd Marit; Hillestad, Marie; Krogdahl, Åshild; Galloway, Trina F.; Holm, Halvor; Holm, Jørgen; Ruyter, Bente

doi:10.1016/j.aquaculture.2008.07.043

Cited by 81 publications

(61 citation statements)

References 31 publications

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“…This result indicated that viscera might play important contributions to body fat deposition in Japanese seabass. This was consistent with several other reports in some other marine carnivorous fish species (Ellis and Reich 1991;Wang et al 2005;Martins et al 2007;Hansen et al 2008). In this study, fish fed with 20.1% lipid diet have significantly higher percentage muscle lipid.…”

Section: Discussionsupporting

confidence: 95%

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Effects of dietary lipid levels on growth performance, feed utilization and fatty acid composition of juvenile Japanese seabass (Lateolabrax japonicus) reared in seawater

Qin

Yan

et al. 2010

Aquacult Int

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Triplicate groups of 40 Japanese seabass Lateolabrax japonicus (initial weight, 11.3 ± 0.4 g) reared in seawater (salinity, 30.0-33.0 g L -1 ) were fed with five isonitrogenous (41.3 ± 0.2% crude protein) and isoenergetic (18.5 ± 0.3 MJ kg -1 ) experimental diets formulated with increasing lipid levels (4.3, 8.4, 12.2, 15.8 and 20.1% lipid) for 10 weeks. Survival throughout the feeding experiment ranged from 87.5 to 100%, but the survival of fingerlings fed with the 4.3% lipid diet was significantly lower than the rest of the diets. At the end of the feeding experiment, fish fed with 12.2% lipid diet showed optimal growth performance (P \ 0.05). Lipid contents of whole body, liver and muscle increased in parallel with the increase in dietary lipid levels. Viscerosomatic index (VSI), hepatosomatic index (HSI) and muscle lipid content were higher in 20.1% lipid group than those in the rest of the lipid level groups indicating that viscera and muscle tissues played important contributions to body lipid deposition. High proportions of 18:1n-9, eicosapentaenoic acid (20:5n-3; EPA) and docosahexaenoic acid (22:6n-3; DHA), and low concentrations of n-6 polyunsaturated fatty acids (PUFAs) occurring in liver and muscle, to some extent, reflected fatty acid (FAs) composition in the experimental diets.

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Section: Discussionsupporting

confidence: 95%

“…ocellatus (Ellis and Reich 1991), cobia (Wang et al 2005), halibut (Nortvedt and Tuene 1998) and Atlantic cod Gadus morhua (Hansen et al 2008). A growth depression effect of high dietary lipid level on fish might be a result of a reduction in absorption or a decrease in food intake (Tocher 2003).…”

Section: Discussionmentioning

confidence: 99%

Effects of dietary lipid levels on growth performance, feed utilization and fatty acid composition of juvenile Japanese seabass (Lateolabrax japonicus) reared in seawater

Qin

Yan

et al. 2010

Aquacult Int

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“…Similarly, a dramatic reduction of LC-PUFA retention was demonstrated in both barramundi and Atlantic salmon as dietary LC-PUFA increased Glencross et al, 2014). In contrast, Atlantic cod retained more LC-PUFA as intake increased (Hansen et al, 2008).…”

Section: Introductionmentioning

confidence: 91%

“…In Atlantic salmon Torstensen et al, 2004), barramundi and gilthead seabream (Montero et al, 2001) there was a curvilinear decline in the retention efficiency of DHA in response to increasing DHA level in the diet. In contrast, DHA and EPA retention efficiency in the Atlantic cod (Gadus morhua) increased in response to increasing dietary supply (Hansen et al, 2008) . In the latter example, the authors argued that DHA was probably used as a substrate for energy production at lower dietary intake.…”

Section: Retention and Marginal Efficienciesmentioning

confidence: 98%

Marginal efficiencies of long chain-polyunsaturated fatty acid use by barramundi (Lates calcarifer) when fed diets with varying blends of fish oil and poultry fat

et al. 2015

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An experiment was conducted with barramundi (Lates calcarifer) juveniles to examine the marginal efficiency of utilisation of long chain-polyunsaturated fatty acids (LC-PUFA). A series of five diets with blends of fish (anchovy) oil and poultry fat (F100:P0, F60:P40, F30:P70, F15:P85, F0:P100) were fed to 208 ± 4.1 g fish over a 12-week period. The replacement of fish oil with poultry fat had no impact on growth performance (average final weight of 548.3 ± 10.2 g) or feed conversion (mean = 1.14 ± 0.02). Analysis of the whole body composition showed that the fatty acid profile reflected that of the fed diet. However it was also shown that there was a disproportional retention of some fatty acids relative to others (notably LOA,. By examining the body mass independent retention of different fatty acids with differential levels of intake of each, the marginal efficiencies of the use these nutrients by this species were able to be determined. The differential retention of fatty acids in the meat was also examined allowing the determination of oil blending strategies to optimise meat n-3 LC-PUFA levels.

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“…Generally, it is believed that the content and composition of fatty acid of the feed directly affect the fatty acid content and composition of fish muscle (Martins et al, 2007;Hansen et al 2008). Maintaining high levels of n-3 PUFA, as well as low levels of n-6 fatty acids, in farmed fish, is a major concern for producers in order to provide a high nutritional value of the product for human consumption (Simopoulos, 2004).…”

Section: Discussionmentioning

confidence: 99%

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Wang¹,

Xu²,

Bai³

et al. 2015

Turk. J. Fish. Aquat. Sci.

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A study was conducted to compare growth and nutrients in the muscle of diploid and triploid masu salmon (Oncorhynchus masou B., 1856). Triploidy was induced by providing a heat shock treatment to the fertilized eggs. When fish grew up to 100 g around, triploids were prepared after triploidy determination prior to the trial. Initial mean weights of diploids and triploids were 103.67 ± 9.66 g and 109.95 ± 8.45 g, respectively. Quadruplicate groups of 30 fish were randomly assigned in each tank fed by water with a flow-through system and were fed to apparent satiation for 140 days. Survival, specific growth rate, feed conversion rate, condition factor, relative growth rate and absolute growth rate were determined in both groups. The contents of moisture, crude protein, lipid, ash, amino acids and fatty acids in muscle were analyzed. It has been determined that the triploid fish showed a higher weight gain than diploid fish despite the difference was not significant (P>0.05). There were no significant differences in crude protein, crude lipid, ash, amino acids and fatty acids between diploids and triploids (P>0.05). In conclusion, growth performances and nutritional composition in muscle were similar between diploids and triploids, and triploids had no negative effects on muscle nutrients under fish farming practices especially for the production of Oncorhynchus masou on-growing stages.

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Apparent digestion and apparent retention of lipid and fatty acids in Atlantic cod (Gadus morhua) fed increasing dietary lipid levels

Cited by 81 publications

References 31 publications

Effects of dietary lipid levels on growth performance, feed utilization and fatty acid composition of juvenile Japanese seabass (Lateolabrax japonicus) reared in seawater

Effects of dietary lipid levels on growth performance, feed utilization and fatty acid composition of juvenile Japanese seabass (Lateolabrax japonicus) reared in seawater

Marginal efficiencies of long chain-polyunsaturated fatty acid use by barramundi (Lates calcarifer) when fed diets with varying blends of fish oil and poultry fat

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