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Microencapsulation As A Potential Control Technique Against Sabellid Worms In Abalone Culture, Jeffrey D. Shields, Ma Buchal, Cs Friedman
Microencapsulation As A Potential Control Technique Against Sabellid Worms In Abalone Culture, Jeffrey D. Shields, Ma Buchal, Cs Friedman
VIMS Articles
We have developed a novel application for lipid-walled microcapsules (LWMs) in the potential control of sabellid infestations in abalone aquaculture. The use of LWMs takes advantage of the filter-feeding nature of the worms, versus the herbivory of the host abalone. Initial observations indicated that the pest was capable of feeding on particles ranging from 3-30 mu m in size. Lipid-walled microcapsules were prepared using different combinations of lipids (tristearin, tripalmitin, and fish oil) to encapsulate water-based solutions. Feeding experiments using worm-infested shells indicated that in a relatively short time (30-60 min) most of the worms (80-95%) fed on the LWMs …