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Effect of dietary Syzygium cumini leaf powder on growth and non-specific immunity of Litopenaeus vannamei (Boone 1931) and defense against virulent strain of Vibrio parahaemolyticus

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Title Effect of dietary Syzygium cumini leaf powder on growth and non-specific
immunity of Litopenaeus vannamei (Boone 1931) and defense against
virulent strain of Vibrio parahaemolyticus
Not Available
 
Creator Linga Prabu,D
Chandrasekar,S
Ambasankar,K
Syama Dayal,J
Ebeneezar,Sanal
Ramachandran,K
Kavitha,M
Vijayagopal,P
 
Subject Syzygium cumini
Litopenaeus vannamei
Prophenol oxidase
Enzymatic antioxidants
Haematological response
 
Description Not Available
The study was aimed to assess the growth and immunomodulatory potential of Syzygium cumini leaf powder
against virulent strain of Vibrio parahaemolyticus on the juveniles of Litopenaeus vannamei. Two diets such as
control diet (without immunostimulant) and immunostimulant diet (containing 1% S. cumini leaf powder) were
prepared. The juveniles were distributed in four treatments namely; daily feeding of control diet (CD), daily
feeding of immunostimulant diet (ID), alternate day feeding of control and immunostimulant diet (CD/ID) and
two days control diet and one day immunostimulant diet (2CD/ID) feeding. After feeding trial, shrimps from
each treatment group were challenged with 0.1 mL of virulent strain of V. parahaemolyticus suspension at a
concentration of 107 CFU mL−1. The post-challenge sampling was performed after 5 days of injection. The
haemolymph prophenol oxidase, superoxide dismutase, catalase and respiratory burst activity of different
treatments were significantly different (P < 0.05) in both pre- and post-challenge conditions. The haemolymph
total protein, globulin, lysozyme and phagocytic activities of L. vannamei fed with Syzygium cumini leaf powder
improved than the control group in pre- as well as post-challenge phase. The survival rate of shrimps fed with
immunostimulant diet was significantly (P < 0.05) higher as compared to control group. Therefore, Syzygium
cumini leaf powder added diet protects the host effectively against virulent strains of V. parahaemolyticus through
both continuous and alternate day feeding.
Not Available
 
Date 2021-09-17T09:02:58Z
2021-09-17T09:02:58Z
2018
 
Type Article
 
Identifier Not Available
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/64057
 
Language English
 
Relation Not Available
 
Publisher Elsevier