Analysis of causes of changes in conditions of vannamei shrimp hepatopancreas indicators at PT. Lombang Sumber Rejeki Sumenep

Abstract Vannamei shrimp that are cultivated intensively require various steps to support the success of cultivation, one which is observing health condition shrimp. Shrimp monitoring carried out once every 10 days along with sampling activities. One parameters in a microscopic examination hepatopancreas using wet preparation method. The indicators for determining organ was observed microscopically were wrinkle, lipid, gregarine, necrosis, and microvilli whose results expressed percentage form. purpose this study determine cause changes indicator has an important role vannamei This research conducted intensive ponds PT. Lombang Sumber Rejeki located Village, Batang - District, Sumenep Regency. Data processing done Regression analysis. peak increase wrinkles occurred at 4th or 40th DOC. Wrinkles increased significantly affected by microvilli, gregarine conditions. Lipid influenced type amount feed-in Vibrio population combined average daily feeding can affect population. incidence necrosis tubules, thought be due factors other than hepatopancreas.