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Integrated brackishwater farming of red seaweed Agarophyton tenuistipitatum and Pacific white leg shrimp Litopenaeus vannamei (Boone) in biofloc system: a production and bioremediation way out

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Title Integrated brackishwater farming of red seaweed Agarophyton tenuistipitatum and Pacific white leg shrimp Litopenaeus vannamei (Boone) in biofloc system: a production and bioremediation way out
Not Available
 
Creator Not Available
Soumyabrata Sarkar & P. Nila Rekha & A. Panigrahi & R. R. Das & S. Rajamanickam & C. P. Balasubramanian
 
Subject Agarophytontenuistipitatum. Biofloc . Bioremediation.Brackishwater .Litopenaeus vannamei . Growth
 
Description Not Available
An integrated approach for rearing Pacific white leg shrimp (Litopenaeus vannamei) with
red seaweed Agarophyton tenuistipitatum was evaluated in an experimental-scale in
biofloc system. Accordingly, four treatments were designed and assessed the applicability
of seaweed in biofloc-based intensive shrimp rearing system with respect to bioremediation
and shrimp growth. Chemical oxygen demand, turbidity, NH4-N, NO2-N, NO3-N,
and PO4-P was significantly reduced (P < 0.05) in biofloc-seaweed (B-SW) system
compared to control and biofloc monoculture system. After 30 days of the experiment
removal of NH4-N (93.73%), NO2-N (60.04%), NO3-N (73.38%), and PO4-P (49.06%) in
biofloc-seaweed system was found significantly higher than biofloc monoculture system.
B-SW could contribute by reducing nitrogen compounds (NH4-N, NO2-N, and NO3-N)
and phosphate (PO4-P), turbidity and COD in water, and increase final weight of shrimp
and survival percentage (5.50 ± 0.207 g and 74.17 ± 2.21%) compared to control (2.25 ±
0.258 g and 42.33 ± 1.45%) and biofloc system (4.13 ± 0.199 g and 53.33 ± 1.67%). SGR
of shrimp was significantly increased by 5.31 ± 0.023% day-1 in biofloc-seaweed system
compared to biofloc without seaweed (4.35 ± 0.006% day-1). Incorporation of seaweed
was successful to improve water quality and growth of shrimp in biofloc system.Not Available
Not Available
 
Date 2022-05-25T08:36:39Z
2022-05-25T08:36:39Z
2021-07-06
 
Type Book
 
Identifier Not Available
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/72385
 
Language English
 
Relation Not Available;
 
Publisher Not Available