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Feeds for seabass and tiger prawns, Malaysia

Year of publication 1986

Pages p. 64

Author Michael New;Fisheries and Aquaculture Management Division

Product type Project

Edition 1

Synopsis (short abstract) During a 2-month feeds consultancy by Michael New for LKIM1, Malaysia in November-December 1985, tutorials in fish/shrimp nutrition, demonstration of feed manufacture, and two short-term feeding trials were carried out. Form3ulations for an improved vitamin mix, for shrimp diets (maturation, early post-larval and grow-out) for seabass/grouper (broodstock, juvenile and grow-out), and for tilapia were provided. The artificial diet for juvenile seabass was tested and proved to give good growth ra te (three-fourfold weight increase in 20 days), survival rate (76–85%) and AFCR (1.9–1.1:1) and was cheaper to use than the filleted trash fish normally used for young fingerlings. Overall performance, though much better than that of animals fed another artificial diet tested in 1984, was not quite so good as on filleted trash fish. Two improved versions of the diet were formulated for further trials with seabass juveniles. The diet tested, which is expected to be satisfactory as a seabass grow- out feed, was immediately accepted by juveniles without any weaning period. A trial using the new post-larval diet for shrimp formulated during this consultancy for P9-P24 Penaeus monodon was conducted. The new feed gave nearly twice the survival rate and a better growth rate than the micro-encapsulated egg based diet previously used. The new feed, which will in future be used for large-scale post-larval production, has a feeding cost only 13% of that of the micro-encapsulated diet. Its use, a t the targeted hatchery production of 10 million post-larvae annually at the Sg. Merbok LKIM site, will increase revenue by over M$ 153 000 (US$ 68 000) per year, through increased survival rate and reduced feeding costs.

Cite this content as:

New, M.B. 1986. Feeds for seabass and tiger prawns, Malaysia. Rome (Italy). 64 p.

Language English

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