Dietary Nutrient Requirement And Feed Development For Groupers

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Collection Location	Balai Besar Riset Budidaya Laut dan Penyuluhan Perikanan Gondol Bali
Edition
Call Number
ISBN/ISSN
Author(s)	Nyoman Adiasmara Giri
Subject(s)
Classification
Series Title
GMD	Text
Language	Indonesia
Publisher
Publishing Year	2003
Publishing Place	Proceeding IMFS 2003
Collation	61-66
Abstract/Notes	Feed is one of importance component in fish culture. Requirement of dietary nutrient for humpback grouper is vary limited. The other hand, this information is very importance in feed development. Trash fish is traditionally used, as feed in mariculture, but its availability can be limited and varies with area and season. In order to develop an artificial feed for grouper, some experiments have been conducted to obtain data on dietary requirement for these species in attempt to replace trash fish. In those experiments were used juvenile humpback grouper in size 4--8 g and reared in tank 30--100 L for 7--14 weeks. Requirement of dietary protein, lipid, and n- 3 HUFA for juvenile humpback grouper are 54.2%, 9%, and 1.5%--2.0% respectively. Protein- energy ratio indicate that a diet containing 56% OM protein, 9% OM lipid, 4.77 kcal/g diet, and protein: energy ratio of 118 mg: kcal was the best for juvenile humpback grouper. Dietary levels of carbohydrate affect on growth and feed efficiency. The minimum requirement of carbohydrate in the diet for humpback grouper is 7%. Supplemental chorine and lecithin affected the growth and feed efficiency of humpback grouper. Interaction effect was observed between supplemental dietary chorine and lecithin on fish percent weight gain and feed efficiency. Requirement of dietary vitamin C was conducted to find out requirement vitamin C of juvenile humpback grouper The result indicated that juvenile humpback grouper requires 3 mg vitamin C (APM) per 100 g diet for maximum growth and to prevent deficiency symptoms
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