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Integrated Multi-Trophic Aquaculture (IMTA): A Potential Farming System to Enhance Production of the Red Seaweed Agarophyton tenuistipitatum (Chang and Xia) in Brackishwater

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Title Integrated Multi-Trophic Aquaculture (IMTA): A Potential Farming System to Enhance Production of the Red Seaweed Agarophyton tenuistipitatum (Chang and Xia) in Brackishwater
Not Available
 
Creator P. Nila Rekha
Soumyabrata Sarkar,
G. Biswas
R. Nishan Raja
Albin Sunny
A. Panigrahi
CP.Balasubramanian
KK.Vijayan
 
Subject Brackishwater
Agarophyton tenuistipitatum
IMTA
Milkfish
Biomass production
 
Description Not Available
Globally, intensification in aquaculture leads to concern on both environ-
mental and economic sustainability. In this context, integrated multi-trophic aqua-
culture (IMTA) is one of the best solutions to bring in sustainability in aquaculture.
Earlier studies suggest that raising the ecosystem capacity, i.e., increasing the succession of trophic levels may enhance the biomass production of seaweed. Therefore,IMTA may impact positively for the production of seaweed biomass, which will helpto meet up the immense industrial requirement of raw material. Thus, the present study focused to evaluate the production performance of red alga Agarophyton tenuis-tipitatum in an IMTA (milkfish-oyster-seaweed) system in comparison to monoculture (only seaweed) in brackishwater tide-fed ponds in Sundarbans. Water salinity ranged between 5 and 7.5 g L−1 during the 90-days study period. It was observed that the biomass production increased as time progressed in both systems, but biomass
and specific growth rate were significantly higher in IMTA (1657.98 ± 65.905 g
and 2.64 ± 0.049% d−1) compared to monoculture (1287.74 ± 86.003 g and 2.32
± 0.085% d−1) throughout the culture period. Analysis of tissue C and N contents
of A. tenuistipitatum revealed significantly higher percentage of deposition in IMTA
seaweed than in monocultured one. In addition, an average final body weight of
milkfish was 214.89 ± 1.665 g from initial 14.57 ± 1.66 g in the IMTA system. An
average 10% weight gain of edible oyster was obtained from the IMTA during the
culture period. It could be concluded that along with higher growth performance,
seaweed utilized a significant amount of carbon and nitrogen which maintained the
environmental sustainability. Moreover, higher biomass production and diversifica-
tion of species in IMTA will certainly provide an economic sustainability to farmers
through intensive farming.
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Date 2023-02-17T06:03:45Z
2023-02-17T06:03:45Z
2022-01-01
 
Type Journal
 
Identifier Not Available
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/76258
 
Language English
 
Relation Not Available;
 
Publisher Not Available