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Article: Interaction between vitamins A and D on growth and metabolic responses of abalone Haliotis discus hannai, Ino.
- Article from:
- Journal of Shellfish Research
- Article date:
- April 1, 2007
- Author:
CopyrightCOPYRIGHT 2007 National Shellfisheries Association, Inc. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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ABSTRACT A 152-day growth experiment was conducted in a recirculated water system to investigate the interaction between vitamins A (retinol) and D (cholecalciferol) on growth and metabolic responses in abalone Haliotis discus hannai Ino. Triplicate groups of juvenile abalone (initial weight: 0.35 [+ or -] 0.03 g; initial shell length: 11.31 [+ or -] 0.25 mm) were fed to satiation one of 16 semipurified diets containing 0, 1 x [10.sup.3], 1 x [10.sup.5], 1 x [10.sup.6] IU/kg vitamin A and 0, 500, 1 x [10.sup.3], 5 x [10.sup.3] IU/kg vitamin D in a 4 x 4 factorial design. Abalone were weighed and shell-length measured on the 76th day and the 152nd day, respectively. The ...