The effect of water level in vertical aquaculture systems on production performance, biochemistry, hematology, and histology of Anguilla bicolor bicolor

The water level in the cultivation of eel ( Anguilla bicolor bicolor ) is an important study in order to provide the optimal water level for cultivation. Optimizing the water level will affect the substitution of respiration energy with energy to grow. In addition, the water level information is rel...

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Bibliographic Details
Published in:Scientific reports 2021-05, Vol.11 (1), p.11318-11318, Article 11318
Main Authors: Harianto, Eko, Supriyono, Eddy, Budiardi, Tatag, Affandi, Ridwan, Hadiroseyani, Yani
Format: Article
Language:English
Subjects:
631/1647
631/45
Anguilla bicolor bicolor
Animals
Aquaculture
Biochemistry
Biomass
Cultivation
Efficiency
Energy
Epidermis
Feeds
Filaments
Fish
Fish stocking
Fisheries
Hematology
Histology
Humanities and Social Sciences
Laboratories
multidisciplinary
Physiology
Science
Science (multidisciplinary)
Water levels
Water quality
Water use
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Summary:The water level in the cultivation of eel ( Anguilla bicolor bicolor ) is an important study in order to provide the optimal water level for cultivation. Optimizing the water level will affect the substitution of respiration energy with energy to grow. In addition, the water level information is related to the efficiency of water use for eel production in the future. Information on water level for eel production is still very limited, so this research is necessary to do. A total of 120 eel elver (initial weight 13.66 ± 0.09 g) were collected from eel companies in Bogor City, Indonesia. Fish were reared in vertical aquaculture systems with a stocking density of 10 fish per container for 60 days. The artificial feed containing 55% protein given as much as 3–5% of the biomass. Absorption and water replacement were done 20% per day. The result of this research showed that fish weight increased with an average of 33.45 ± 0.33 g. Different water levels had an impact to KKb, SGOT, ALP, and He. There was erosion of the skin epidermis and necrosis of the gill filaments due to the adaptation process. Water quality was within the optimum range for all treatments and 1.5 cm water level is recommended for maintenance (SGOT, ALP and He values were closest to normal values).
ISSN:2045-2322
2045-2322
DOI:10.1038/s41598-021-90912-1