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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
IJCMAS is now DOI (CrossRef) registered Research Journal. The DOIs are assigned to all published IJCMAS Articles.
Index Copernicus ICI Journals Master List 2019 - IJCMAS--ICV 2019: 96.39 For more details click here
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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2020)
[Effective from January 1, 2020]
For more details click here

ICV 2019: 96.39
Index Copernicus ICI Journals Master List 2019 - IJCMAS--ICV 2019: 96.39
For more details click here

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Original Research Articles

PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : editorijcmas@gmail.com / submit@ijcmas.com
Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2017.6(6): 147-152
DOI: https://doi.org/10.20546/ijcmas.2017.606.017


A Report on the Hepatopancreatic Microsporidiosis Caused by Enterocytozoon hepatopenaei (EHP) in Penaeus vannamei (Pacific White Shrimp) Farms in Thiruvallur District, Tamilnadu, India
M. Giridharan and A. Uma*
State Referral Laboratory for Fish Disease Diagnosis and Aquatic animal Health, Fisheries Research and Extension Centre, Tamilnadu Fisheries University, Madhavaram milk colony, Chennai – 600051, Tamil Nadu, India
*Corresponding author
Abstract:

Disease incidence is the most impeding factor in the development of shrimp aquaculture industry. Most of the disease incidence in shrimp aquaculture is attributed to viral pathogens. But more recently Enterocytozoon hepatopenaei (EHP), a microsporidian parasite, has emerged as a serious pathogen reported to be associated with white faecal syndrome (WFS) and retarded growth which is referred as hepatopancreatic microsporidiosis in cultured pacific white leg shrimp (P. vanammei) in many of the shrimp growing countries of Asia. In the present study, it is reported that the prevalence hepatopancreatic microsporidiosis in the P. vannamei shrimp farms in Thiruvallur district. A preliminary study was conducted for screening EHP with a total number of 54 samples comprising of shrimp’s hepatopancreas, post larvae, faecal matter and soil by a nested polymerase chain reaction assay. The results showed that 10 samples were positive for EHP either in the first step or in the second (nested) step PCR with the prevalence of 18.51%. This report alerts the shrimp farmers to undertake suitable management measures to prevent the spread of hepatopancreatic microsporidiosis and to avoid the disease in subsequent culture operations to improve the production and sustainability of shrimp culture.


Keywords: Enterocytozoon hepatopenaei, Hepatopancreatic microsporidiosis, White fecal syndrome (WFS)
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How to cite this article:

Giridharan, M. and Uma, A. 2017. A Report on the Hepatopancreatic Microsporidiosis Caused by Enterocytozoon hepatopenaei (EHP) in Penaeus vannamei (Pacific White Shrimp) Farms in Thiruvallur District, Tamilnadu, IndiaInt.J.Curr.Microbiol.App.Sci. 6(6): 147-152. doi: https://doi.org/10.20546/ijcmas.2017.606.017