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| Content Provider | Springer Nature Link |
|---|---|
| Author | Vij, Gopalakrishnan Vaseeharan, Baskaralingam DavidJayaseelan, Baranabas Rajakumaran, Perumal Ravi, Cyril |
| Copyright Year | 2012 |
| Abstract | In aquaculture industries, there is an urgent need to develop microbial control strategies, to control disease outbreaks. In recent years, probiotics are considered as a valid alternative for the use of antibiotics in aquaculture to prevent high mortality and promote growth. In the present study, seven strains of bacteria such as Bacillus licheniformis (DAB1), Bacillus pumilus (DAB2), Bacillus sp. (DAB3), Pseudomonas aeruginosa (DAP1), Pseudomonas sp. (DAP2), Pseudomonas aeruginosa (DAP3), Pseudomonas aeruginosa (DAP4), and three pathogenic Vibrio parahaemolyticus (DAV1, DAV2, DAV3) were isolated from healthy and diseased Fenneropenaeus indicus collected from the east coast of Tamilnadu, India. The strains were identified by biochemical analysis and 16S rRNA sequence methods. Among the seven probiotic strains tested, the cell-free extract from DAB1 and DAP1 exhibited higher inhibitory activity of V. parahaemolyticus than other isolates under in vitro conditions. The LC50 of DAV1, DAV2, and DAV3 was found to be ∼103 CFU mL−1. Pathogenicity of three V. parahaemolyticus DAV1, DAV2, and DAV3 showed significant mortalities (40 %) in Artemia nauplii at inoculation densities of 103 CFU mL−1 when compared to the controls (unchallenged nauplii). A significant reduction in mortality (P < 0.001) was found by addition of 106 CFU mL−1 of DAB1 and DAP1 strains in nauplii against the pathogens. In conclusion, the present study result reveals that DAB1 and DAP1 have potential applications for controlling pathogenic V. parahaemolyticus in Artemia culture systems and aquaculture practices. |
| Starting Page | 1121 |
| Ending Page | 1135 |
| Page Count | 15 |
| File Format | |
| ISSN | 09676120 |
| Journal | Aquaculture International |
| Volume Number | 21 |
| Issue Number | 5 |
| e-ISSN | 1573143X |
| Language | English |
| Publisher | Springer Netherlands |
| Publisher Date | 2013-01-03 |
| Publisher Place | Dordrecht |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Bacillus licheniformis Pseudomonas aeruginosa Vibrio parahaemolyticus Artemia Aquaculture Freshwater & Marine Ecology Zoology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Aquatic Science Agronomy and Crop Science |
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