Comparative Test on Bacteria in the Digestive Tract of Vannamei Shrimp (Litopenaeus vannamei) at Intensive and Extensive Ponds in Ujungpangkah, Gresik

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Abstract

Shrimp is one major commodities in industry fisheries with high economic value and market (high demand product). Shrimp is associated to issues of disease, one of which caused by bacteria. The amount of bacteria that attack shrimp is variable, depending on the cultivation. This research aims to understand the number and type of dominant pathogenic bacteria based on the system of extensive and intensive cultivation as well as to compare the number of pathogenic bacteria on both fishponds. The methods used in this research was comparative method by t-test of two independent samples. Samples were collected from two types of aquaculture: intensive and extensive. Three ponds were selected from each type of activity and 10 shrimps were collected from each of the selected pond as samples. The total samples collected were 60 shrimps. The observed parameters were the types of bacteria that exist in the digestive tract. The results show that the most common pathogenic bacteria are found in intensive cultivation. Intensive ponds have the number of bacteria of Mycobacterium sp. at 12 isolates, Clostridium sp. at 28 isolates, Flavobacterium sp. at 21 isolates, Acinetobacter sp. at 18 isolates, Vibrio sp. at 16 isolates, Pseudomonas sp. at 14 isolates, Bacillus sp. at 28 isolates, and Staphylococcus sp. at 9 isolates. Meanwhile, extensive ponds have the number of Mycobacterium sp. at 10 isolates, Clostridium sp. at 12 isolates, Flavobacterium sp. at 15 isolates, Acinetobacter sp. at 18 isolates, Vibrio sp. at 17 isolates, Pseudomonas sp. at 13 isolates, Bacillus sp. at 37 isolates, and Staphylococcus sp. at 18 isolates.

Original languageEnglish
Article number012030
JournalIOP Conference Series: Earth and Environmental Science
Volume236
Issue number1
DOIs
Publication statusPublished - 1 Mar 2019
Event1st International Conference on Fisheries and Marine Science, InCoFiMS 2018 - East Java, Indonesia
Duration: 6 Oct 2018 → …

Keywords

  • Bacteria
  • Isolate
  • Shrimp

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