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Registros recuperados: 6
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Comparison of phosphatidylcholine purified from soybean and marine fish roe in the diet of postlarval <i>Penaeus vannamei</i> Boone OMA
Coutteau, P.; Kontara, E.K.M.; Sorgeloos, P..
The effects of adding two different types of phosphatidylcholine (PC) (purified from soybean lecithin, SPC, or marine fish roe, MPC) on growth, survival and osmotic stress resistance as well as lipid and fatty acid composition of postlarval <i>Penaeus vannamei</i> was determined. PC was added at a level of 1.5% in a semi-purified diet containing similar levels of essential fatty acids (EFA). A PC-free diet served as the control treatment. The supplementation of 1.5% SPC significantly improved growth and reduced sensitivity to osmotic stress. <i>P. vannamei</i>-fed MPC showed inferior growth compared to those fed SPC, but yielded better growth and survival than the PC-deprived shrimp. The addition of any of the PC types resulted in a...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Animal nutrition; Complex lipids; Diets; Feeding experiments; Lipids; Neurotransmitters; Polyunsaturated fatty acids; Shrimp culture; Survival; Litopenaeus vannamei; Penaeus vannamei.
Ano: 2000 URL: http://www.vliz.be/nl/open-marien-archief?module=ref&refid=37
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Dietary effects of DHA/EPA on culture performance and fatty acid composition of<i>Penaeus monodon</i> postlarvae OMA
Kontara, E.K.M.; Lavens, P.; Sorgeloos, P..
Tipo: Info:eu-repo/semantics/article Palavras-chave: Penaeus monodon [giant tiger prawn].
Ano: 1995 URL: http://www.vliz.be/nl/open-marien-archief?module=ref&refid=2571
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Effect of dietary phospholipid on requirements for and incorporation of <i>n</i>-3 highly unsaturated fatty acids in postlarval <i>Penaeus japonicus</i> Bate OMA
Kontara, E.K.M.; Coutteau, P.; Sorgeloos, P..
<i>Penaeus japonicus</i> postlarvae were fed three dietary levels of n-3 highly unsaturated fatty acids (HUFA) (0, 0.5 and 1%) with or without 1.5% soybean phosphatidylcholine (SPC; 95% purity). The experiment was conducted during two successive phases of 20 days starting with 12-day-old postlarvae. Supplying 1.5% of SPC and 1% <i>n</i>-3 HUFA in the diet significantly improved the growth, survival and resistance to osmotic stress of postlarvae compared to those fed phosphatidylcholine (PC)-free and HUFA-free diets, respectively. A significant interaction between dietary SPC and n-3 HUFA was only found for their effect on resistance to osmotic stress. A significant drop in stress sensitivity was obtained in the PC-deprived shrimp...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Complex lipids; Polyunsaturated fatty acids; Penaeus japonicus [Kuruma shrimp].
Ano: 1997 URL: http://www.vliz.be/nl/open-marien-archief?module=ref&refid=2956
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Effect of vitamin C and astaxanthin on stress and disease resistance of postlarval tiger shrimp, <i>Penaeus monodon</i> (Fabricius) OMA
Merchie, G.; Kontara, E.K.M.; Lavens, P.; Robles, R.; Kurmaly, K.; Sorgeloos, P..
Postlarvae of tiger shrimp, <i>Penaeus monodon</i> (Fabricius), were fed semipurified diets supplemented with various levels of astaxanthin (AX) and ascorbic acid-polyphosphate (ApP): three groups were fed 230 mg AX kg<sup>-1</sup> diet combined with 100, 1700 and 3400 mg ascorbic acid (AA) kg<sup>-1</sup> diet, respectively; two diets contained 810 mg AX kg<sup>-1</sup> mixed with 200 and 1700 mg AA kg<sup>-1</sup>, respectively. Each treatment was run in four replicates. Incorporated levels of AA and AX, production output, and physiological condition were recorded after 4 weeks feeding. Whole-body AA (21-47 µg<sup>-1</sup>) and AX concentrations (19-35 µg<sup>-1</sup>)...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Penaeus monodon [giant tiger prawn].
Ano: 1998 URL: http://www.vliz.be/nl/open-marien-archief?module=ref&refid=312
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Improved larviculture outputs of postlarval shrimp <i>Penaeus vannamei</i> through supplementation of L-ascorbyl-2-polyphosphate in the diet OMA
Kontara, E.K.M.; Merchie, G.; Lavens, P.; Nelis, H.; De Leenheer, A.P.; Sorgeloos, P..
Tipo: Info:eu-repo/semantics/article Palavras-chave: Penaeus vannamei.
Ano: 1995 URL: http://www.vliz.be/nl/open-marien-archief?module=ref&refid=2572
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Improved production of postlarval white shrimp through supplementation of L-ascorbyl-2-polyphosphate in their diet OMA
Kontara, E.K.M.; Merchie, G.; Lavens, P.; Robles, R.; Nelis, H.; De Leenheer, A.P.; Sorgeloos, P..
L-ascorbyl-2-polyphosphate (ApP) was used as a vitamin C source to study the ascorbic acid (AA) requirements for the early postlarval stages of white shrimp (<i>Penaeus vannamei</i>). First the stability of ApP in the diets was determined: ApP losses after pelletizing and 10 min immersion in seawater were 25-35% and 30%, respectively. Semipurified diets with five levels of ApP (0, 20, 40, 100 and 200 mg kg<sup>-1</sup> expressed as active AA were fed <i>ad libitum</i> to <i>P. vannamei</i> (PL-14 stage, mean dry weight 0.73 mg) for 26 days. Each treatment was run in five replicates. No significant differences in growth were observed among treatments after 26 days of feeding. As of day 19 of feeding, increased...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Diets; Polyunsaturated fatty acids; Shrimp culture; Penaeus vannamei.
Ano: 1997 URL: http://www.vliz.be/nl/open-marien-archief?module=ref&refid=2959
Registros recuperados: 6
Primeira ... 1 ... Última
 

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