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    Prawn nutrition, feed development and feeding techniques for grow-out and broodstock

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    Date
    1989
    Author
    Piedad-Pascual, Felicitas
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    Abstract
    Knowledge on nutritional requirements of prawn juveniles and broodstock are scanty. However, relatively more information is now available with regard to requirements of juveniles compared to that of broodstock.

    Many studies suggest the storage and utilization of lipids for maturation and spawning of P. monodon broodstock. Ovarian lipid increases more than twice at the start of maturation (Stage II) and reaches maximum at full maturity (Stage IV).

    Prawn juveniles require 40-45% protein, 5-10% lipid, and 20-25% carbohydrates. A protein-energy ratio of 120 mg prot/Kcal results in better growth and survival. The quality of protein and lipid is very important for both stages of the prawn. Eleven amino acids are essential but quantitative requirements have not been established. Likewise, amounts of essential fatty acids such as arachidonic, docosapentaenoic and eicosahexaenoic acids have yet to be defined. Cholesterol and lecithin are also necessary.

    Preliminary results of a 35-day feeding experiment showed that a vitamin free semipurified diet, choline-free and inositol-free diets significantly suppressed growth while niacin-free and pyridoxine-free diets provide for similar growth as that of a diet with all the vitamins present. Mineral needs have not been studied for P. monodon.

    Feedstuffs of good nutritive value in prawn grow out and broodstock diets are; fish meal, shrimp head meal, shrimp meal, mussel meat, Acetes sp. or "alamang", soybean meal, squid meal, earthworm meal, and annelids. In addition, cod liver oil, fish liver oil, soybean oil, and beef tallow have been used in varying proportions as sources of some essential fatty acids in practical diet development. Although there are practical diets that can be recommended, improvement of these diets will continue as new nutrient requirements are established.
    URI
    http://hdl.handle.net/10862/318
    Suggested Citation
    Piedad-Pascual, F. (1989). Prawn nutrition, feed development and feeding techniques for grow-out and broodstock. In R. D. Fortes, L. C. Darvin, & D. L. de Guzman (Eds.), Fish and Crustacean Feeds and Nutrition. Proceedings of the Seminar Workshop on Fish and Crustacean Feeds and Nutrition, University of the Philippines in the Visayas (UPV), Iloilo City, 25-26 February 1985 (pp. 24-29).
    Type
    Conference paper
    Subject
    Crustacea; Shrimp culture -- Feeding and feeds; Nutrition; Feed; Brood stocks; Juveniles; Philippines; Shrimps; Giant tiger shrimp; Penaeus monodon
    Collections
    • Conference Proceedings [281]

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