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Effect of Dietary supplementation of cassia auriculata leaf powder on growth and immune responses of milkfish, Chanos Chanos

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Title Effect of Dietary supplementation of cassia auriculata leaf powder on growth and immune responses of milkfish, Chanos Chanos
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Creator S. Chandraesekar
D. Linga Prabhu
J . Syama Dayal
K. Ambasankar
S. Arun Sudhagar
Sanal Ebeneezar
A. K. Abdul Nazar
P. Vijayagopal
 
Subject Milk Fish, Immune Responses, Disease Resistance
 
Description Not Available
A 30 days feeding trial was conducted to evaluate the effects of Cassia auriculata leaf powder on growth and
immunomological parameters of the juveniles of Milkfish, Chanos chanos and disease resistance against Vibrio
anguillarum. The juvenile fishes with an average weight of 20±3 g were stocked in four treatments each with
three replicates. Four practical diets were prepared with graded level of Cassia auriculata leaf powder (CAL) at the rate of 0%, 0.5%, 1% and 1.5% and fed to four treatments respectively named as CAL0, CAL0.5, CAL1 and
CAL1.5. At the end of the experiment blood samples were collected for immunological parameters. After
sampling, the remaining fishes were challenged with 0.1 mL of virulent V. anguillarum suspension at a concentration of 107 CFU mL-1 and mortality was observed for 7 days. Post challenge sampling was performed for the collection of blood samples. The growth parameters such as Weight gain%, SGR%, PER were positively affected by Cassia auriculata leaf powder incorporated diet. Higher weight gain %, SGR% and PER were noticed in CAL1.5 group followed by CAL1, CAL0.5 and CAL0. The respiratory burst, lysozyme and phagocytic activities were increased with increasing level of CAL in the diet which indicates better immune response of the fishes fed with CAL. The higher respiratory burst (0.522 ± 0.03), lysozyme (70.07 ± 1.57) and phagocytic (52.91 ± 1.76) activities were observed in CAL1.5, CAL1 and CAL1.5 groups respectively during pre-challenge and post challenge. There was significant difference in the survival rate of control (CAL0) and CAL incorporated diet fed groups (P
Not Available
 
Date 2018-11-13T05:18:51Z
2018-11-13T05:18:51Z
2017-10-18
 
Type Research Paper
 
Identifier Not Available
0973-7049
http://krishi.icar.gov.in/jspui/handle/123456789/10635
 
Language English
 
Relation Not Available;
 
Publisher CIBA