Advanced broodstock diets for the mangrove red snapper and a potential importance of arachidonic acid in eggs and fry
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Mangrove red snapper fed advanced broodstock diets containing squid meal and squid oil exhibited higher hatching rates, cumulative survival and survival activity index than those fed a basal diet or a basal diet supplemented with mixture of antioxidants. On the other hand, fatty acid analyses of ovaries and fry of wild fish and eggs and larvae of broodstock fed raw fish revealed high arachidonic acid (ARA) and docosahexaenoic acid (DHA) levels and relatively lower eicosapentaenoic acid (EPA) levels consequently showing high ARA/EPA and DHA/EPA ratios compared to cold water species. This suggests that ARA may be nutritionally more important for egg and larval development and survival in tropical marine fish and its supplementation in broodstock diets may enhance reproductive performance of mangrove red snapper.
Suggested CitationEmata, A. C., Ogata, H. Y., Garibay, E. S., & Furuita, H. (2003). Advanced broodstock diets for the mangrove red snapper and a potential importance of arachidonic acid in eggs and fry.
antioxidants ; arachidonic acid ; Brackishwater fish; breeding stock ; cultured organisms ; Diets; fatty acids ; feeding experiments ; fish eggs ; fish larvae ; food additives ; fry ; hatching ; Larval development; mangroves ; marine fish ; nutritive value ; polyunsaturated fatty acids ; sexual cells ; sexual reproduction ; Lutjanus argentimaculatus; Philippines
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