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Article: Effects of vitamins A and D on shell biomineralization of abalone Haliotis discus hannai, Ino.
- Article from:
- Journal of Shellfish Research
- Article date:
- December 15, 2004
- Author:
CopyrightCOPYRIGHT 2004 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 feeding trial was conducted in a recirculating water system to investigate the effects of vitamins A (retinol) and D (cholecalciferol) on shell biomineralization of the 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 daily with one of the 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. The results showed that vitamin D significantly increased the ratio of calcite/aragonite in the shell, ...