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eBook details

• Title: Utilization of Dietary Protein, Lipid, And Carbohydrate by Abalone Haliotis Discus Hannai: A Review.
• Author : Journal of Shellfish Research
• Release Date : January 15, 2004
• Genre: Life Sciences,Books,Science & Nature,
• Pages : * pages
• Size : 188 KB

Description

ABSTRACT Feeding Haliotis discus hannai depends mainly on the use of macroalgae such as Undaria sp. or Laminaria sp., although the species is an important mariculture shellfish in Korea. Research on the utilization of protein, lipid, and carbohydrate in formulated diets by H. discus hannai has been conducted, and the results have been reviewed. H. discus hannai fed a formulated diet showed better growth performance than those fed a macroalgae based-diet. Casein, fish meal, soybean meal, cottonseed meal, and wheat germ meal are all good sources of dietary protein for H. discus hannai. The optimum dietary lipid content for H. discus hannai is from 2% to 5%. Marine fish oil, for instance squid liver oil, is a good dietary lipid source for H. discus hannai. Oil supplementation in diets is not necessary when fish meal as main protein source is used for H. discus hannai diets. Comparative growth rates were observed when H. discus hannai were fed diets containing each of the following carbohydrate sources: wheat flour, dextrin, sucrose, potato starch, or as a mixture combined with practical ingredients such as soybean meal, corn gluten meal, cotton seed meal, and wheat flour. These results may be used in developing practical feed formulation and improving aquaculture production of abalone. KEY WORDS: Haliotis discus hannai, formulated diet, protein, lipid, carbohydrate

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