Abstract
Oyster (crassostrea gigas) is one of the potential bivalves that can be developed to increase economic income. One of the stages of how to cultivate oysters is the initial process of sticking oyster spats. This study aims to analyze the success of attachment and growth of oyster spats in each collector and the factors that influence the growth of Pacific oyster spats (crassostrea gigas) in each collector. the method used is the experimental method using a completely randomized design model (RAL) with 3 treatments, each treatment 3 times repetition. The collectors used are plastic fiber, coconut shell, and used tires. The results showed that the average adhesion in treatment a was 13.7% cover attachment, in treatment b had an average percentage of attachment of 6.8%, while in treatment c had a percentage of 10.12%. Pacific oyster spat size growth in treatment a has an average size of 1.1 cm, in treatment b has an average of 0.7 cm, and in treatment c has an average size of 0.8 cm.
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