Abstract
The purpose of this study was to test what type of natural feed provides growth and physiological conditions of the green lobster gut. One important factor to support the development of aquaculture is appropriate feed to support growth. Efforts can be made in optimizing the growth of sand lobsters through feeding that contains calcium and in natural feed consistently. This study consisted of 4 treatments of natural feed types rich in Calcium and Posfor, namely anchovies, rebon shrimp, gold snails and barnacles. The purpose of this study was to observe different types of natural feed that can increase lobster survival (SR), weight growth rate, intestinal histological features and hepatopancreas in green lobsters and water quality at the study site. The highest survival rate in this study was found in the treatment of rebon shrimp and gold snails of 96%. While the highest growth rate parameter is the treatment of anchovy feed of 113.9 ± 30.7020. Furthermore, the highest intestinal histological condition is the treatment of anchovy feed, namely the area of villi of 1857,667 (?m2) and the number of villi in the intestine in green lobster 1857,667
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