Abstract
Nereis sp. including one of the commodities that have high economic value as well as important commodities in the world of aquaculture. The survival rate of organisms affected by good cultivation management include solid spread, feed quality, water quality, parasites or diseases. High spread solids will have an impact on the decrease in growth rate, feed consumption and survival rate. Therefore, the importance of research on solid spread because it is very closely related to the production and growth speed of cultivated biota. This study was conducted to find out the influence of different scatter solids on the growth and life's smoothness Nereis sp. The research was conducted for 35 days of maintenance using marine worm biota or Nereis sp. The method used is an experimental method using a Complete Randomized Design (RAL) with 5 treatments and 3 repeats namely, Treatment 1: solid spread 50 individuals/m2, Treatment 2: solid spread 100 individuals/m2, Treatment 3: solid spread 150 individuals/m2, Treatment 4: solid spread 200 individuals/m2 and Treatment 5: solid spread 250 individuals/m2. Treatment with solid spread 150 individuals / m2 (P3) gives the best influence in improving the growth and survival of Nereis sp. 0.7838 g and 93.33%.
Highlights
Sea worms or Nereis sp. is a marine invertebrate organism that belongs to the polychaeta class and the Nereidae family
Further on the advantages of marine worms according to Subaidah et al (2017) that Nereis sp. which is given as feed contains essential fatty acids, especially arachidonic acid (ARA), eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) can stimulate the maturation of shrimp gonads, both male and female broodstock
According to Fajar (1988) in Gamis et al (2016) stated that the survival rate of organisms is influenced by good cultivation management, including stocking density, feed quality, water quality, parasites or disease
Summary
Sea worms or Nereis sp. is a marine invertebrate organism that belongs to the polychaeta class and the Nereidae family. Including one of the commodities that have high economic value and important commodities in the world of aquaculture These animals usually live in tidal areas along the coast, both on sandy, muddy and sandy loam substrates (Everet, 2001 in Asnawi, 2018). In addition to natural shrimp feed, sea worms are commonly used as individuals, ornamental individuals food, and their extract is in the form of a capsule as an antidiabetes medicine. This is a great opportunity for marketing marine worm cultivation products, especially to meet the need for sea worms in shrimp farming in Indonesia.
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