biofloc technology
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2023 ◽  
Vol 83 ◽  
K. Tayyab ◽  
S. Aslam ◽  
M. A. Ghauri ◽  
A. S. Abbas ◽  
A. Hussain

Abstract Biofloc technology is much highlighted these days because of its tremendous effects on aquaculture. Microbes were enriched on cheapest organic carbon source i. e., powdered banana peels and were incorporated in different aquaria rearing grass carp fingerlings under different C/N treatments (10:1, 15:1 and 20:1) and 10% water daily water exchange. The initial growth of fingerlings was recorded. The experiment was settled in triplicates for 60 days and run parallel to control group provided with commercial feed and daily water exchange. Its effect was evaluated by measuring the growth of fingerlings and water parameters of each aquarium. The average % gain in weight and length of fingerlings was obtained significantly highest (28.12 ± 0.30g and 17.29 ± 0.46cm respectively) in aquaria containing pure powdered banana peels with 10% water exchange and C/N ratio was adjusted at 20: 1 (T3) than other treatments and control. Ammonia and other water parameters were also under control in T3 than other experimental and control groups. By all counts, it was concluded that the highest C/N ratio in biofloc system had the potential to increment C. idella growth rate by reducing toxicity and could be used as fish meal substitute.

2022 ◽  
Vol 8 ◽  
Ubair Nisar ◽  
Daomin Peng ◽  
Yongtong Mu ◽  
Yu Sun

Biofloc technology (BFT) is gaining traction as a strategic aquaculture tool for boosting feed conversions, biosecurity, and wastewater recycling. The significant aspect of BFT is aquaculture with highest stocking density and minimal water exchange. It not only improves the water quality of a system by removing inorganic nitrogen from wastewater but also serves as a suitable feed supplement and probiotic source for cultured species. This technology is commonly used for shrimp and tilapia culture and can be used for both semi-intensive and intensive culture systems. Biofloc, when combined with formulated diets, forms a balanced food chain that improves growth performance. Nutrients in this system are continuously recycled and reused and form an efficient alternative system in aquaculture. In addition to the reduction in water exchange, it is also considered as a bio-security measure, since it prevents entry of disease from outside sources. Aquamimicry is an innovative concept that simulates natural estuarine conditions by developing copepods that act as supplementary nutrition especially for shrimp culture. The review highlights the process, significance, and development of BFT, its microbial interactions, nutritional value, transition from biofloc to copefloc, and concept of aquamimicry to sustainably improve aquaculture production.

Aquaculture ◽  
2022 ◽  
Vol 547 ◽  
pp. 737470
Rodrigo Zhouri Costa e Silva ◽  
Érika Ramos Alvarenga ◽  
Sylvia Velloso Matta ◽  
Gabriel Francisco de Oliveira Alves ◽  
Ludson Guimarães Manduca ◽  

Aquaculture ◽  
2022 ◽  
pp. 737916
Phillipe Thiago Leite Barbosa ◽  
Jayme Aparecido Povh ◽  
Karine Nathiele Nogueira Farias ◽  
Tiago Venâncio da Silva ◽  
Gabrielly Cristina Teodoro ◽  

2021 ◽  
Vol 8 ◽  
Maurício G. C. Emerenciano ◽  
Anselmo Miranda-Baeza ◽  
Marcel Martínez-Porchas ◽  
Moisés A. Poli ◽  
Felipe do Nascimento Vieira

2021 ◽  
Vol 17 (4) ◽  
pp. 568-578
Doğukan KAYA ◽  
Ercüment GENÇ ◽  
Derya GÜROY ◽  
Serhat DİNÇER ◽  

2021 ◽  
pp. e01053
Erick O. Ogello ◽  
Nicholas O. Outa ◽  
Kevin O. Obiero ◽  
Domitila N Kyule ◽  
Jonathan M. Munguti

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