Research Article

Efficacy of Evaluation of Gut Probiotics against White Gut and White Feces Disease in Litopenaeus vannamei Shrimp Aquaculture Systems in Two Different Geographical Regions of Andhra Pradesh  

M. Pravinkumar1 , J. Godfred Ponraj1 , A. Veera Ravi2
1 TIL Biosciences (Animal Health Division of Tablets (India) Limited), 72, Marshalls Road, Chennai-600 081, Tamil Nadu, India
2 Department of Biotechnology, Science Campus, Alagappa University, Karaikudi 630004, Tamil Nadu, India
Author    Correspondence author
International Journal of Marine Science, 2020, Vol. 10, No. 3   
Received: 14 Jul., 2020    Accepted: 08 Sep., 2020    Published: 18 Sep., 2020
© 2020 BioPublisher Publishing Platform
This is an open access article published under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract

The aim of the study is to investigate the efficacy of gut probiotics in shrimp aquaculture system for the prevention of white gut (WG) and white feces (WF) disease in Litopenaeus vannamei. The study was executed in infected L. vannamei culture ponds in Varadarajapuram and Cheyyeru Gunnepalli in West and East Godavari districts of Andhra Pradesh. The rate of incidence of white gut and white feces infections in affected shrimp ponds were found to be at 21% in 57~67 days (11.11 gm) and 17% in 108~117 days (28.57 gm) of culture period, respectively. Further, the water quality parameters like temperature ((28.3±0.8)ºC to (30.4±1.2)ºC), salinity ((7.4±1.0) psu to (9.2±1.1) psu), dissolved oxygen ((3.3±0.5) mg/L to (5.6±0.6) mg/L), pH ((7.4±0.2) to (8.6±0.2)), and total alkalinity ((150.2±1.5) ppm to (196±1.5) ppm) were analyzed. In addition, the concentration of ammonia and nitrite in the infected shrimp pond was monitored. The simple linear regression pattern was constructed as the dependent variables between ammonia and nitrite, expressed an R2 value of 0.952 1 (before probiotics treatment) and 0.939 4 (after probiotics treatment). Extended use of probiotics, the level of ammonia and nitrite concentration was extremely reduced in the culture pond from 0.73±0.01 to 0.038 and 0.51±0.01 to 0.001 respectively. From this study, it was concluded that the use of gut probiotic has significant impact on the retrieval of white gut and white feces disease in the L. vannamei aquaculture practice.

Keywords
Probiotics; White gut; White feces; L. vannamei; Gut health; Vibrio spp.

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International Journal of Marine Science
• Volume 10
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. M. Pravinkumar
. J. Godfred Ponraj
. A. Veera Ravi
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