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International Journal of Fisheries and Aquatic Studies
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(ICV-Poland) Impact Value: 76.37, Impact Factor: RJIF 5.69
E-ISSN: 2347-5129, P-ISSN: 2394-0506

International Journal of Fisheries and Aquatic Studies

2018, Vol. 6, Issue 2, Part A

Swollen hind gut disease in postlarvae of Penaeus monodon: Aetiological studies


Author(s): Geetha GK, Janakiram P, Sunil Kumar D, Surendran V and Jayasree L

Abstract: Prevalence of Swollen Hind Gut (SHG) of shrimp post larvae produced from the hatcheries located along Kakinada and Visakhapatnam coasts of Andhra Pradesh were 12.50 and 17.85 % respectively during the period 2012-‘13. Samples of post larvae and water and water from the SHG affected tanks were subjected to water quality, microbiological and histopathological analysis. Vibrio parahaemolyticus and Pseudomonas aeruginosa were isolated from the SHG affected individuals. High positive correlation (r>0.55) was observed between pH & Temperature and Nitrate & Temperature of water in larval rearing tanks. T-test revealed that there was highly significant difference between Temperature, pH, Dissolved Oxygen, Nitrates, Ammonia, Phosphates, Silicates, Calcium and Magnesium. Histopathological studies revealed degeneration and vacuolization of the Hepatopancreatic tubules. Muscle layers in the gut showed excessive growth leading to the reduced lumen with swollen caecae on the distal end of the midgut region.

Pages: 20-29  |  316 Views  28 Downloads

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How to cite this article:
Geetha GK, Janakiram P, Sunil Kumar D, Surendran V and Jayasree L. Swollen hind gut disease in postlarvae of Penaeus monodon: Aetiological studies. International Journal of Fisheries and Aquatic Studies. 2018; 6(2): 20-29.
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