International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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Original Research Articles                      Volume : 10, Issue:5, May, 2021

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

Int.J.Curr.Microbiol.App.Sci.2021.10(5): 127-131

Investigations on Mortality in Grass Carp (Ctenopharyngodon idella) Reared under Captive Farming System
Rakesh Kumar*, Anmol Bisht, Abhishek Kumar and Rajesh Kumar Asrani
Department of Veterinary Pathology, DGCN COVAS CSKHPKV, Palampur, Himachal Pradesh-176062, India
*Corresponding author

The present investigation describes an outbreak among captive grass carp fishes reared by a farmer in a pond near Palampur area, Himachal Pradesh. Clinical signs among affected fishes included inactive swimming/lethargy behavior, no food intake and sudden mortality over a period of 3-4 days. Necropsy examination depicted the presence of necrotic lesions with fibrino-hemorrhagic exudate over hepato-pancreas, pin point hemorrhages accompanied with fibrinous exudates in other visceral organs including coelomic wall along with splenomegaly. The histopathological lesions in the liver comprised of severely lost structural details of hepatocytes, sinusoidal congestion with hemorrhages and deposition of eosinophilic fibrinous exudate along with mononuclear cells infiltration (MNCs). Prominent areas of necro-hemorrhagic tracts along with leucocytic infiltrates were also visible in the pancreatic tissue. The gill filaments showed increased vascularity with fibrin deposition on microscopic evaluation. Based on the gross and histopathological findings the present outbreak causing septicemia among grass carp was attributed to the stress factors such as over-crowding, hypoxia as a result of algal bloom, poor sanitation, imbalance in dissolved gaseous combination, and capture or transportation stress.

Keywords: Grass Carp, Necropsy, Histopathology, Stress, Septicemia

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How to cite this article:

Rakesh Kumar, Anmol Bisht, Abhishek Kumar and Rajesh Kumar Asrani. 2021. Investigations on Mortality in Grass Carp (Ctenopharyngodon idella) Reared under Captive Farming System.Int.J.Curr.Microbiol.App.Sci. 10(5): 127-131. doi:
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