Comparative study of growth, feed efficiency, and hematological profile of Nile tilapia fingerlings in biofloc technology and recirculating aquaculture system

The present study was conducted to compare the growth performance, feed efficiency, nitrogen retention, water quality, biofloc nutritional composition, and hematological profile of Nile tilapia Oreochromis niloticus fingerlings cultured in biofloc technology (BFT) and recirculating aquaculture syste...

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Bibliographic Details
Published in:Tropical animal health and production 2021-12, Vol.53 (1), p.60-60, Article 60
Main Authors: Hisano, Hamilton, Barbosa, Phillipe Thiago Leite, de Arruda Hayd, Liliam, Mattioli, Cristiano Campos
Format: Article
Language:English
Subjects:
Animal Feed - analysis
Animals
Aquaculture
Aquaculture - statistics & numerical data
Aquariums
Biomedical and Life Sciences
Chemical composition
Cichlids - blood
Cichlids - growth & development
Comparative studies
Conversion ratio
Dissolved oxygen
Efficiency
Feed conversion
Feed efficiency
Feeds
Hematology
Life Sciences
Male
Nitrogen
Nitrogen - metabolism
Nitrogen compounds
Oreochromis niloticus
Physical growth
Proteins
Regular Articles
Satiety
Tilapia
Veterinary Medicine/Veterinary Science
Water quality
Weight Gain
Zoology
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Summary:The present study was conducted to compare the growth performance, feed efficiency, nitrogen retention, water quality, biofloc nutritional composition, and hematological profile of Nile tilapia Oreochromis niloticus fingerlings cultured in biofloc technology (BFT) and recirculating aquaculture systems (RAS) over a period of 60 days. This randomized study was designed with two treatments (BFT and RAS) and four replicates. Fish ( n  = 64; 7.29 ± 0.67) were allocated in eight 150 L aquaria kept at 26.72 ± 0.35 °C and fed until apparent satiation three times daily. Weight gain, apparent feed conversion ratio, and protein efficiency of fish in BFT were statistically superior than in RAS. There were no differences ( p  > 0.05) for temperature, dissolved oxygen, and nitrogen compounds, indicating similarity in the water quality between BFT and RAS. Furthermore, hematological parameters did not show differences ( p  > 0.05) between the systems. The chemical composition of biofloc differed ( p  
ISSN:0049-4747
1573-7438
DOI:10.1007/s11250-020-02523-z