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Studies about New Observation and Counting Method for Analysis of First Feeding Day and Daily Feeding Numbers of Rotifer by Marine Fish Larvae  

Jung Min-Min (National Fisheries Research and Development Institute (NFRDI), Jeju Fisheries Research Institute)
Wi Chong-Hwan (Gyeongsangbukdo Fishery Resources Development Institute)
Ji Young-Ju (National Fisheries Research and Development Institute (NFRDI) Jeju Fisheries Research Institute, Shellfish genetics and Breeding Research Center)
Min Kwang-Sik (National Fisheries Research and Development Institute (WFRDI), South Sea Fisheries Research Institute, Shellfish Research Center)
Publication Information
Journal of Aquaculture / v.19, no.3, 2006 , pp. 178-182 More about this Journal
Abstract
We studied new observation method about take process of rotifer by marine fish larvae. Till now, we can not accurate observation and count of first rotifer feeding day and/or feeding numbers of rotifer by marine fish larvae. Because take rotifer is ingested and disappeared in the digestive system of fish larvae. However we suggest possible observation method for these problems. The trophi is mastication organ of rotifer, and has only one in each rotifer individual. The trophi is left in the mastication organ because sole indigestible organ of rotifer. Therefore we can accurate observation and count of first rotifer feeding day and/or feeding rotifer numbers of marine fish larvae by trophi observation method (RTCM; Rotifer Trophi Counting Method).
Keywords
First feeding; Live food organism; Marine fish larvae; Rotifer; RTCM; Rotifer trophi counting method; Trophi;
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