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http://krishi.icar.gov.in/jspui/handle/123456789/73052
Title: | Lethal dose and histopathological alterations induced by Aeromonas salmonicida in experimentally challenged common carp, Cyprinus carpio. |
Other Titles: | Not Available |
Authors: | Bhat RAH, Thakuria D, Dubey MK, Tandel RS, Sharma P, Khangembam VC, Dash P, Tripathi G, Sarma D |
ICAR Data Use Licennce: | http://krishi.icar.gov.in/PDF/ICAR_Data_Use_Licence.pdf |
Author's Affiliated institute: | ICAR: Central Institute of Fisheries Education |
Published/ Complete Date: | 2021-07-12 |
Project Code: | Not Available |
Keywords: | Aeromonas salmonicida Common carp Histopathology LD50 |
Publisher: | ELSEVIER |
Citation: | Not Available |
Series/Report no.: | Not Available; |
Abstract/Description: | Aeromonas salmonicida is the obligate pathogen of fishes having zoonotic potential. It is reported to cause considerable losses in world aquaculture. The current study has successfully demonstrated the induction of histopathological lesions in experimentally infected common carp. In the current study, the lethal concentration (LD50-96 h) of typical A. Salmonicida for common carp was found to be 1.5 × 107CFU mL 1. About 40% and 60% fish mortalities occurred after 72 h in the groups inoculated with 107 and 108 CFU mL 1 bacterial suspension, respectively. The fish challenged with A. salmonicida showed symptoms like abnormal swimming behaviour, lethargy, intra-abdominal fluid, haemorrhages on the ventral side of the body, vent and fins. The signs proceeded with the death of fish. In the histological sections, severe pathological alterations were reported in the tissue sections of internal organs. The microscopic observation showed sinusoidal and large blood vessel congestion in the liver, profuse haemorrhage, necrosis and infiltration of blood cells in the internal organs. The tubular ar- chitecture was lost with the infiltration of leucocytes in the kidney. In gills, more intense and prominent lamellar fusion was observed with leucocytic infiltration, telangiectasia and hyperplasia of lamellar epithelial cells. In summary, we have experimentally induced the typical A. salmonicida infection in common carp. The study will provide a research foundation for further studies on the host-pathogen interaction, therapeutics and epidemi- ology of A. salmonicida. |
Description: | Not Available |
ISSN: | Not Available |
Type(s) of content: | Research Paper |
Sponsors: | Not Available |
Language: | English |
Name of Journal: | Microbial Pathogenesis |
Journal Type: | International |
NAAS Rating: | 8.91 |
Impact Factor: | 3.738 |
Volume No.: | 158(1) |
Page Number: | 105110-105120 |
Name of the Division/Regional Station: | Not Available |
Source, DOI or any other URL: | Not Available |
URI: | http://krishi.icar.gov.in/jspui/handle/123456789/73052 |
Appears in Collections: | FS-CIFE-Publication |
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