Application of biofloc technology in the larval rearing of zebrafish (Danio rerio)
The aim of this study was to investigate the different strategies of biofloc addition to zebrafish (Danio rerio) larviculture, and evaluate their growth and biochemical parameters. Three treatments were used: addition of 200 mL biofloc once at the start of the assay (O1), addition of 100 mL biofloc...
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| Language: | English |
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Instituto de Pesca
2024-02-01
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| Series: | Boletim do Instituto de Pesca |
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| Online Access: | https://institutodepesca.org/index.php/bip/article/view/1871 |
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| author | Gabriel Bernardes Martins Bernar Oliveira Fernanda Rodrigues Goulart Ferrigolo Alexandra Pretto Carlos Frederico Ceccon Lanes |
| author_facet | Gabriel Bernardes Martins Bernar Oliveira Fernanda Rodrigues Goulart Ferrigolo Alexandra Pretto Carlos Frederico Ceccon Lanes |
| author_sort | Gabriel Bernardes Martins |
| collection | DOAJ |
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The aim of this study was to investigate the different strategies of biofloc addition to zebrafish (Danio rerio) larviculture, and evaluate their growth and biochemical parameters. Three treatments were used: addition of 200 mL biofloc once at the start of the assay (O1), addition of 100 mL biofloc every seven days (1W), and addition of 100 mL biofloc every four days (2W). The 1W and 2W treatments also received 200 mL biofloc at the start of the assay. Regarding water quality, the only difference was the total suspended solid concentration, because the 2W treatment had a higher concentration in the final assay (127.6 ± 24.3 mg L-1). The final weight, survival rate, and juvenile percentile did not show statistical differences among the treatments. However, the O1 treatment exhibited a higher total length (11.93 ± 0.45 mm) than those in the 2W treatment. The juveniles in the 2W treatment exhibited lower nonprotein thiols and higher TBARS concentrations than those in the other treatments. Thus, the biofloc system can be a viable alternative to zebrafish larviculture without the use of conventional live food, and the addition of biofloc once (O1) at the beginning of larval rearing achieves good growth and survival results.
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| format | Article |
| id | doaj-art-2bddbb49606e40df8bfe48b6073552df |
| institution | DOAJ |
| issn | 1678-2305 |
| language | English |
| publishDate | 2024-02-01 |
| publisher | Instituto de Pesca |
| record_format | Article |
| series | Boletim do Instituto de Pesca |
| spelling | doaj-art-2bddbb49606e40df8bfe48b6073552df2025-08-20T02:55:06ZengInstituto de PescaBoletim do Instituto de Pesca1678-23052024-02-015010.20950/1678-2305/bip.2024.50.e882Application of biofloc technology in the larval rearing of zebrafish (Danio rerio)Gabriel Bernardes Martins0Bernar Oliveira1Fernanda Rodrigues Goulart Ferrigolo2Alexandra Pretto3Carlos Frederico Ceccon Lanes4Universidade Federal do Pampa , Curso de Engenharia de Aquicultura – Uruguaiana (RS), Brazil.Universidade Federal do Pampa , Curso Superior de Tecnologia em Aquicultura – Uruguaiana (RS), Brazil.Universidade Federal do Pampa , Curso de Engenharia de Aquicultura – Uruguaiana (RS), Brazil.Universidade Federal do Pampa , Curso de Engenharia de Aquicultura – Uruguaiana (RS), Brazil.Universidade Federal do Pampa , Curso de Engenharia de Aquicultura – Uruguaiana (RS), Brazil. The aim of this study was to investigate the different strategies of biofloc addition to zebrafish (Danio rerio) larviculture, and evaluate their growth and biochemical parameters. Three treatments were used: addition of 200 mL biofloc once at the start of the assay (O1), addition of 100 mL biofloc every seven days (1W), and addition of 100 mL biofloc every four days (2W). The 1W and 2W treatments also received 200 mL biofloc at the start of the assay. Regarding water quality, the only difference was the total suspended solid concentration, because the 2W treatment had a higher concentration in the final assay (127.6 ± 24.3 mg L-1). The final weight, survival rate, and juvenile percentile did not show statistical differences among the treatments. However, the O1 treatment exhibited a higher total length (11.93 ± 0.45 mm) than those in the 2W treatment. The juveniles in the 2W treatment exhibited lower nonprotein thiols and higher TBARS concentrations than those in the other treatments. Thus, the biofloc system can be a viable alternative to zebrafish larviculture without the use of conventional live food, and the addition of biofloc once (O1) at the beginning of larval rearing achieves good growth and survival results. https://institutodepesca.org/index.php/bip/article/view/1871AmmoniaLive foodWater reuseNutrient |
| spellingShingle | Gabriel Bernardes Martins Bernar Oliveira Fernanda Rodrigues Goulart Ferrigolo Alexandra Pretto Carlos Frederico Ceccon Lanes Application of biofloc technology in the larval rearing of zebrafish (Danio rerio) Boletim do Instituto de Pesca Ammonia Live food Water reuse Nutrient |
| title | Application of biofloc technology in the larval rearing of zebrafish (Danio rerio) |
| title_full | Application of biofloc technology in the larval rearing of zebrafish (Danio rerio) |
| title_fullStr | Application of biofloc technology in the larval rearing of zebrafish (Danio rerio) |
| title_full_unstemmed | Application of biofloc technology in the larval rearing of zebrafish (Danio rerio) |
| title_short | Application of biofloc technology in the larval rearing of zebrafish (Danio rerio) |
| title_sort | application of biofloc technology in the larval rearing of zebrafish danio rerio |
| topic | Ammonia Live food Water reuse Nutrient |
| url | https://institutodepesca.org/index.php/bip/article/view/1871 |
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