Effects of dietary linolenic acid to linoleic acid ratio on growth performance, proximate composition and fatty acid contents of pacu (
            <i>Piaractus mesopotamicus</i>
            )

Gonçalves, Lígia Uribe; Cortegano, Carlos Andre Amaringo; Barone, Rafael Simões Coelho; Lorenz, Evandro Kleber; Cyrino, José Eurico Possebon

doi:10.1111/are.15536

Cited by 7 publications

(2 citation statements)

References 36 publications

(68 reference statements)

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“…Thus, EPA/ARA ratio is a vital filet nutritional indicator. Moreover, EPA and ARA both are precursors of bioactive mediators including eicosanoids, which are the indicators of inflammatory processes, being produced from EPA more efficiently and bearing anti-inflammatory action (Gonçalves et al, 2021). In the present experiment, EPA/ARA ratio remained significantly unchanged up to 60% replacement of FO (60 GO).…”

Section: Discussionsupporting

confidence: 42%

Replacement of Fish Oil With Groundnut Oil for Developing Sustainable Feeds for Labeo rohita Fingerling

Siddiqua¹,

Khan²

2022

Front. Sustain. Food Syst.

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Groundnut oil (GO) is one of the most widely available vegetable oils (VOs) in India and throughout the world, with a global production of 6.12 million metric tons in the year 2020–2021. GO contains phytochemicals and antioxidants with a longer shelf life. Because of these benefits, GO can produce durable, low-cost, and sustainable aquaculture feeds. To evaluate the nutritional efficacy and possibility of replacing fish oil (FO) with GO, this experiment was carried out to test the effects of partial or total substitution of dietary FO by GO on the growth performance, carcass composition, antioxidant capacity, lysozyme activity, muscle fatty acid composition, and filet nutritional quality in Labeo rohita fingerling. Induced bred healthy rohu fingerlings (4.84 ± 0.13 g) were fed six isonitrogenous (400 g kg−1) and isolipidic (97 g kg−1) casein- and gelatin-containing purified diets, wherein the FO was gradually replaced by 0, 20, 40, 60, 80, and 100% GO. Fishes were stocked randomly in triplicate groups of 30 fish per tank and fed at 08:00, 12:00, and 16:00 h to apparent satiety for 8 weeks. The results showed that FO replacement with GO did not affect the growth but decreased the eicosapentaenoic (EPA), docosahexaenoic acid (DHA) levels, and n-3/n-6 ratio in the muscle of rohu fingerlings. The antioxidant capacity and lysozyme activity improved up to 60% replacement of FO with GO in diet and then declined (P > 0.05) upon further inclusion of GO in diets. Although the atherogenicity, thrombogenicity indices, and hypocholesterolemic/hypercholesterolemic (H/H) ratio did not change significantly among all the muscle samples, the highest filet lipid quality (FLQ) value was found in fish receiving a 100% FO diet. Further inclusion of dietary GO decreased the filet H/H ratio and FLQ value. In summary, replacing FO with GO at a higher level had negative consequences on the filet nutritional quality of rohu fingerlings. Therefore, FO can be replaced by GO in formulated feeds to a level of 60% without hampering the growth, antioxidant capacity, and lysozyme activity and to avoid degrading the nutritional quality of fish filet.

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Section: Discussionsupporting

confidence: 42%

Replacement of Fish Oil With Groundnut Oil for Developing Sustainable Feeds for Labeo rohita Fingerling

Siddiqua¹,

Khan²

2022

Front. Sustain. Food Syst.

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“…However, further studies are needed to highlight its effect on reproduction or other physiological stages. The major constituents of the lipid profile in grass juices found in this study, linoleic and linolenic acids, can be used as a substrate in energy production in fish [29]. Although the final weight was significantly higher in the groups fed diets with wheat and barley grass juice phytogenics, there were no significant differences in the FCR, CF, VSI and HSI parameters in this study.…”

Section: Effects Of Phytogenics On Growth Performance Of Fishcontrasting

confidence: 51%

Wheat and Barley Grass Juice Addition to a Plant-Based Feed Improved Growth and Flesh Quality of Common Carp (Cyprinus carpio)

Burducea

Dincheva

Dirvariu

et al. 2022

Animals

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Phytogenics are plant extract additives used for their bioactive properties. The objective of this study was to assess the effect of plant extracts, wheat grass juice (WGJ) and barley grass juices (BGJ) addition to fish diet on growth and meat quality of common carp. Fish (51 ± 33 g initial weight) were fed for four weeks with three plant-based diets: (1) control feed (Con), (2) control feed supplemented with 2% WGJ (Con+WGJ), and (3) control feed supplemented with 2% BGJ (Con+BGJ). The results showed that the inclusion of the two juices in the plant-based feed stimulated the growth and improved meat quality by lowering the fat and ash content. Feed conversion ratio and condition factor were not affected. There were no significant differences in Fe and Zn contents of meat; however, Cu decreased, while Mn was lower in the Con+WGJ group and higher in the Con+BGJ group compared to Con. A high content of unsaturated fatty acids (FA, oleic acid and linoleic acid) and desirable ratios of saturated/unsaturated FA (0.27–0.29) and Ω6/Ω3 (2.5–2.78) were found in all groups. The juices were characterized in terms of lipid profile and polar compounds by GC-MS technique. The observed positive effects can be attributed to the rich composition of juices that included unsaturated FA, amino acids, sugars and organic compounds.

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Substituting palm oil for fish oil in feeds for juvenile rohu, Labeo rohita: effects on growth performance, fillet fatty acid composition, and antioxidant capacity

Siddiqua

Khan²

2022

Aquacult Int

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Effects of dietary linolenic acid to linoleic acid ratio on growth performance, proximate composition and fatty acid contents of pacu ( Piaractus mesopotamicus )

Cited by 7 publications

References 36 publications

Replacement of Fish Oil With Groundnut Oil for Developing Sustainable Feeds for Labeo rohita Fingerling

Replacement of Fish Oil With Groundnut Oil for Developing Sustainable Feeds for Labeo rohita Fingerling

Wheat and Barley Grass Juice Addition to a Plant-Based Feed Improved Growth and Flesh Quality of Common Carp (Cyprinus carpio)

Substituting palm oil for fish oil in feeds for juvenile rohu, Labeo rohita: effects on growth performance, fillet fatty acid composition, and antioxidant capacity

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