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Het OWA, het open archief van het Waterbouwkundig Laboratorium heeft tot doel alle vrij toegankelijke onderzoeksresultaten van dit instituut in digitale vorm aan te bieden. Op die manier wil het de zichtbaarheid, verspreiding en gebruik van deze onderzoeksresultaten, alsook de wetenschappelijke communicatie maximaal bevorderen.

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HUFA levels in eggs of wild and cultured broodstock of Macrobrachium rosenbergii Lavens, P.; Piyatiratitivorakul, S.; Menasveta, P.; Sorgeloos, P. (1991). HUFA levels in eggs of wild and cultured broodstock of Macrobrachium rosenbergii, in: Lavens, P. et al. (Ed.) Larvi '91. Short communications and abstracts of contributions presented at the international Symposium on Fish and Crustacean Larviculture. Gent, Belgium, August 27-30, 1991. EAS Special Publication, 15: pp. 260-263 In: Lavens, P. et al. (1991). Larvi '91: Short communications and abstracts of contributions presented at the international Symposium on Fish and Crustacean Larviculture. Gent, Belgium, August 27-30, 1991. Special Publication European Aquaculture Society, 15. European Aquaculture Society: Gent. ISBN 90-71625-09-5. 427 pp., meer In: Special Publication European Aquaculture Society. European Aquaculture Society: Bredene. ISSN 0774-0689, meer

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Beschikbaar in	Auteurs
VLIZ: Open Marine Archive 135237 [ download pdf ]

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Trefwoorden

Acids > Organic compounds > Organic acids > Fatty acids Cells > Sexual cells > Eggs Comparative studies Composition > Biochemical composition Cultures > Shellfish culture > Crustacean culture > Prawn culture Cultures > Shellfish culture > Crustacean culture > Shrimp culture Stocks > Brood stocks Macrobrachium rosenbergii (De Man, 1879) [WoRMS] Brak water; Zoet water

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Auteurs		Top
Lavens, P., meer Piyatiratitivorakul, S. Menasveta, P. Sorgeloos, P., meer

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Abstract

The variation in egg quality, i.e. the potential of the egg to produce viable fry, is still a limiting factor in the commercial production of marine fish and crustacean fry. Better knowledge in this field would contribute to improved and especially more consistent hatchery outputs and to the development of more suitable broodstock diets. So far, objective criteria to evaluate egg quality are scarce. However, it is very likely that the nutrient composition of the eggs may be a good indicator for egg viability as it reflects the nutrient demands of the developing embryo and larva. Since (n-3) highly unsaturated fatty acids (HUFAs) have been identified as essential nutrients for the larvae of marine fish, shrimp and prawn a case study has been initiated with the giant freshwater prawn Macrobrachium rosenbergii to verify variations in (n-3) HUFA contents of eggs from wild and pond-reared broodstock.

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