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Bài báo - Tạp chí
32 (2020) Trang: 4333–4345
Tạp chí: Journal of Applied Phycology

The integration of seaweeds (extractive, low-footprint species) into aquaculture systems has been considered as an alternative approach for the sustainable development of the shrimp industry, which aims to expand in an environmentally friendly way. Two consecutive experiments were conducted to evaluate the effects of integrating various densities of black tiger shrimp Penaeus monodon postlarvae (PL) and red seaweed Gracilaria tenuistipitata on water quality and shrimp performance in the nursery phase. The first experiment involved a 3×4 factorial design with three levels of shrimp density (1,000; 2,000 and 3,000 PLs m-3) and four levels of red seaweed density (0, 1.0, 1.5 and 2.0 kg m-3) randomly allocated in triplicate tanks for 30 days. Shrimp PL (with a mean weight of 0.012±0.002 g and length of 1.12±0.09 cm) and red seaweed were reared in 150 L tanks at a salinity of 15 g L-1. Significant synergistic effects between shrimp and seaweed densities were observed for the NO3,- total nitrogen (TN) and PO43- contents, as well as for the survival (p significantly decreased the concentrations of nitrogen and phosphorus in the rearing tanks and greatly enhanced the survival and growth rate of shrimp. In particular, increased stocking density resulted in poorer growth performance but enhanced production. Applying stocking densities of 1,000 and 2,000 PL m-3 obtained larger shrimp size, while a density of 3,000 PL m-3 achieved the highest production output in the integrated system. In the second experiment, which followed the 30-day growth trial, shrimp quality was assessed via an immersion challenge test using pathogenic Vibrio parahaemolyticus (a concentration of 2 x 108 CFU mL-1 ) on the shrimp groups previously stocked at a density of 3,000 PL m-3 and integrated with different quantities of seaweed. After 14 days of challenge, the cumulative mortality in the monoculture system averaged 75.6%, which was significantly higher (pP. monodon shrimp and G. tenuistipitata improved tank water quality as well as shrimp survival and growth while also enhancing the antibacterial activity of shrimp against V. parahaemolyticus infection in the nursery phase.

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Tạp chí: International Journal of Fisheries and Aquatic Studies
1 (2015) Trang: 1-7
1 (2014) Trang: 6
Tạp chí: International Forum on Green Technology and Management 2014: ENVIRONMENTAL PROTECTION TOWARD SUSTAINABLE DEVELOPMENT September 26, 2014, Can Tho University
2 (2014) Trang: 375-380
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1 (2014) Trang: 78
Tạp chí: International Conference on Aquaculture and Environment: A Focus in the Mekong Delta April 3-5, 2014 Can Tho University, Vietnam
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Tạp chí: International Journal of Artemia Biology
Vol. 52, Number 3A (2014) Trang: 336-342
Tạp chí: Tạp chí Khoa học và Công nghệ
1 (2013) Trang: 1
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1 (2013) Trang: 1
Tạp chí: Publishing house: Scholars Press
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Tạp chí: European Aquaculture Society, Special Publication No. XX, Oostende, Belgium, 2013
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Tạp chí: Asian-Pacific Aquaculture, 10-13, December 2013, Ho Chi Minh city, Vietnam
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1 (2012) Trang: 1
Tạp chí: 7th Vietnamese-Hungarian International Conference on Agricultural Research for Development. Can Tho University 28-29/8/2012

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