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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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Relation http://eprints.cmfri.org.in/12616/
https://www.sciencedirect.com/science/article/pii/S0044848617311912
 
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
 
Creator Linga Prabu, D
Chandrasekar, S
Ambasankar, K
Syama Dayal, J
Ebeneezar, Sanal
Ramachandran, K
Kavitha, M
Vijayagopal, P
 
Subject Bioactive compound
Fish Diseases
 
Description 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.
 
Publisher Elsevier
 
Date 2018
 
Type Article
PeerReviewed
 
Format text
 
Language en
 
Identifier http://eprints.cmfri.org.in/12616/1/Aquaculture_2018_Linga%20Prabu.pdf
Linga Prabu, D and Chandrasekar, S and Ambasankar, K and Syama Dayal, J and Ebeneezar, Sanal and Ramachandran, K and Kavitha, M and Vijayagopal, P (2018) 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. Aquaculture, 489. pp. 9-20.