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Research Journals >
Indian Journal of Biotechnology (IJBT) >
IJBT Vol.02 [2003] >
IJBT Vol.02(2) [April 2003] >
| Title: | Improved Post-larval Production in Giant Prawn, Macrobrachium rosenbergii, through Modulation of Antioxidant Defence System by Dietary Vitamin-E |
| Authors: | Dandapat, Jagneshwar
Chainy, Gagan B N
Rao, K Janardhana |
| Keywords: | Prawn seed production
Vitamin-E
Lipid peroxidation
Antioxidant defence system |
| Issue Date: | Apr-2003 |
| Publisher: | NISCAIR-CSIR, India |
| Abstract: | Giant
freshwater prawn, Macrobrachium rosenbergii (deMan) (Crustacea-Decapoda)
is an economically
important
species widely cultured in both freshwater and low saline water (brackish
water) aquaculture. The
experiments
were conducted to study the effects of dietary supplementation of vitamin-E on
the post-larval
production
(seed production), lipid peroxidation (LPX) and antioxidant defence system in
the post larvae of M.
rosenbergii.
Objective of the study is to refine the existing seed production technology
through the modulation of
antioxidant
defence system during larval progression. Results of the first feeding trial
clearly exhibit the increased
post-larval
production in response to different levels of supplementary vitamin-E (50, 100,
200 or 400 mglkg feed).
Results
of the second feeding experiment with a selective dose of vitamin-E (200 mglkg
feed) were also consistent with
that
and it was further observed that vitamin-E supplemented diet (200 mglkg feed)
can reduce the level of LPX in
the
post larvae. The activity of superoxide dismutase (SOD) and catalase (CAT) was
reduced significantly but that of
glutathione
peroxidase (GPX) was elevated in the post larvae receiving vitam.in-E
supplementation. Though ascorbic
acid
content of the post larvae was elevated in response to vitamin-E supplemented
diet, glutathione (GSH) content
remained
unaltered. The present findings indicate that modulation of antioxidant defence
system in response to
vitamin-E
supplementation in the diet might have a positive role in improving post-larval
production. |
| Page(s): | 195-202 |
| CC License: |  CC Attribution-Noncommercial-No Derivative Works 2.5 India |
| ISSN: | 0975-0967 (Online); 0972-5849 (Print) |
| Source: | IJBT Vol.02(2) [April 2003]
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