SALTONSTALL KENNEDY GRANT PROGRAM
Development of Rock Scallop Grow-out Techniques
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GRANT NUMBER:  NA86FD0069          NMFS NUMBER: 98-SWR-006

REPORT TITLE:  Development of Rock Scallop Grow-out Techniques

AUTHOR: Carolynn S. Culver, John B. Richards, and Henry M. Page

PUBLISH DATE:  December 10, 2000

AVAILABLE FROM:  National Marine Fisheries Service, Southwest Region, 501 West Ocean Boulevard, Suite 4200, Long Beach, CA 90802-4213.   TELEPHONE:  (562) 980-4033

ABSTRACT

This project identified several factors that influence permanent attachment of the purple-hinge rock scallop (Crassadoma gigantea). From these findings the following recommendations for cost-effective and efficient grow-out methods were developed: (1) permanent attachment should be promoted, as unattached scallops grow more slowly; (2) flat PVC plastic or similar substrates should be used over cement or ceramic substrates in order to minimize damage to animals and gear during harvesting; (3) plastic or similar smooth substrates should be roughened prior to use to increase attachment strength, thereby minimizing unintended dislodgement of animals during grow-out; (4) scallops should be artificially attached (e.g., glued) to substrates prior to grow-out to allow use of any size seed scallop and to provide a means for manipulating attachment location and optimizing spatial distribution.  

 
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