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- W100376103 abstract "Anemonefishes or clownfishes command higher price than most other pomacentridsin the marine aquarium fish trade. Commercial production of these reef fishes cangenerate valuable foreign exchange for the country. The sebae anemonefisi1,Amphiprion sebae Bleeker 1853, is one of the popular marine aquarium fish . Atpresent rearing of the fish relies heavily on live and fresh diets, and formulated dietsare seldom used due to inadequate knowledge of the nutritional needs of the differentlife-history stages. The present study focuses on the nutrition of broodstock, larvaeand juvenile stages of the fish in captivity. In order to identify suitable diets for broodfishes the efficacy of six natural and five formulated diets was determined. Thenatural diets tested were deep sea shrimp, cuttlefish, squid, mature mussel, musselmeat, and a mixed diet of polychaete worm and mussel meat (1 :1). Among thenatural diets cuttlefish meat gave significantly higher number of eggs per spawning(1521±264 eggs; mean ± SO, n=9) followed by the deep sea shrimp (1300±445eggs). Among Ihe five formulated semi-moist diets used, diet CBOs with about 50%protein and 10% lipid, gave significantly higher number (2137±110) of eggs pHrspawning followed by diet CB02 (1683±436 eggs) which had 40% protein and 20%lipid. The number of eggs per spawning was found to decrease significantly whenbroodfish were fed ad libitum once a day (416128 eggs) compared to those fed adlibitum twice daily (885±55 eggs). Hatchery reared larvae weaned to a dry diet from3rd week onwards matured and the broodfish spawned successfully in aquaria from15th month (age of fish) onwards. Feeding experiments using exclusive orcombinations of rotifers, Artemia, and Moina showed better survival when the larvaewere reared with micro algae and fed rotifers and Artemia. Weaning studies revealedthat weaning from livefeed to a dry microbound particulate diet after 3 weeks (21dph)did not Significantly affect survival, though the best age of weaning was found to be30 days post hatching. Experiments with a purified and semi-purified diet having 50%protein and 6% lipid showed semi-purified diets to be better than purified diets.Analysis of data from protein requirement experiments using semi-purified isocaloricdiets showed 46.2% as protein requirement for maximum weight gain in juveniles and44.9% in terms of SGR. Lipid requirement experiment on juveniles using fiveisoproteic semi-purified diets showed 10.96% as lipid requirement for maximumweight gain and 11 .05% in terms of SGR. The present study proved the effectivenessof formulated diets in rearing larvae, juveniles and brood stock of the clownfish. Theresults are significant with enormous application in commercial production of thesehigh value fishes and in promoting indigenous aquarium feed manufacture." @default.
- W100376103 created "2016-06-24" @default.
- W100376103 creator A5055331831 @default.
- W100376103 date "2004-01-01" @default.
- W100376103 modified "2023-09-27" @default.
- W100376103 title "Nutritional studies on sebaeAnemonefish, Amphiprion sebaeBleeker 1853, with special referenceTo protein and lipid requirements" @default.
- W100376103 hasPublicationYear "2004" @default.
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