Substrates for biofilter in recirculating system in Nile tilapia larviculture production
Autor(a) principal: | |
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Data de Publicação: | 2016 |
Outros Autores: | , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Revista Brasileira de Saúde e Produção Animal |
Texto Completo: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1519-99402016000300553 |
Resumo: | SUMMARY Recirculating water system (RAS), provide to reduce water usage and to improve the quality by nutrient recycling, so biofilters are used to reduce ammonia concentrations by oxidation to nitrate, by nitrifying-bacteria. Biological filters have been utilized to maintain acceptable water parameters to larvae and juveniles, by decreasing ammonia concentrations. The objective of this experiment was to evaluate different substrates for aquarium biofilter on performance of Nile tilapia (Oreochromis niloticus) larvae, and water quality. One-thousand-two-hundred Nile tilapia larvae (initial length = 11.6 ± 0.82 mm; body weight (BW) =189.0 ± 0.44mg) were randomly allotted into one of twenty 6-L aquariums (60 larvae aquarium-1) with five different biofilter (4 aquariums each biofilter): (1) control, no substrate; (2) seashell-and granitic crushed stone-substrate; (3) granitic crushed stone substrate; (4) quartz gravel substrate; and (5) porcelain-substrate. The conductivity, turbidity, pH, nitrate, nitrite and ammonia values indicate that seashell and granitic crushed-stone, and porcelain-substrates had greater process of biofiltration effectiveness. Water oxygen did not differ among treatments, with all levels within the benchmark for the tilapia larvae. Fishes reared in aquarium with quartz gravel-and porcelain substrate fishes had greater BW, total and standard length compared with its from other substrates. Porcelain-substrate biofilter is indicated for tilapia larviculture due to improved weight and length and water quality. |
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Substrates for biofilter in recirculating system in Nile tilapia larviculture productionbiofiltrationlimnological parametersnitrificationwater qualityRASSUMMARY Recirculating water system (RAS), provide to reduce water usage and to improve the quality by nutrient recycling, so biofilters are used to reduce ammonia concentrations by oxidation to nitrate, by nitrifying-bacteria. Biological filters have been utilized to maintain acceptable water parameters to larvae and juveniles, by decreasing ammonia concentrations. The objective of this experiment was to evaluate different substrates for aquarium biofilter on performance of Nile tilapia (Oreochromis niloticus) larvae, and water quality. One-thousand-two-hundred Nile tilapia larvae (initial length = 11.6 ± 0.82 mm; body weight (BW) =189.0 ± 0.44mg) were randomly allotted into one of twenty 6-L aquariums (60 larvae aquarium-1) with five different biofilter (4 aquariums each biofilter): (1) control, no substrate; (2) seashell-and granitic crushed stone-substrate; (3) granitic crushed stone substrate; (4) quartz gravel substrate; and (5) porcelain-substrate. The conductivity, turbidity, pH, nitrate, nitrite and ammonia values indicate that seashell and granitic crushed-stone, and porcelain-substrates had greater process of biofiltration effectiveness. Water oxygen did not differ among treatments, with all levels within the benchmark for the tilapia larvae. Fishes reared in aquarium with quartz gravel-and porcelain substrate fishes had greater BW, total and standard length compared with its from other substrates. Porcelain-substrate biofilter is indicated for tilapia larviculture due to improved weight and length and water quality.UFBA - Universidade Federal da Bahia2016-09-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S1519-99402016000300553Revista Brasileira de Saúde e Produção Animal v.17 n.3 2016reponame:Revista Brasileira de Saúde e Produção Animalinstname:Universidade Federal da Bahia (UFBA)instacron:UFBA10.1590/S1519-99402016000300020info:eu-repo/semantics/openAccessPEDREIRA,Marcelo MattosTESSITORE,Antônio Jessey de AbreuPIRES,Aldrin VieiraSILVA,Martinho de AlmeidaSCHORER,Marianneeng2016-10-11T00:00:00Zoai:scielo:S1519-99402016000300553Revistahttp://www.rbspa.ufba.br/PUBhttps://old.scielo.br/oai/scielo-oai.php||rbspa@ufba.br1519-99401519-9940opendoar:2016-10-11T00:00Revista Brasileira de Saúde e Produção Animal - Universidade Federal da Bahia (UFBA)false |
dc.title.none.fl_str_mv |
Substrates for biofilter in recirculating system in Nile tilapia larviculture production |
title |
Substrates for biofilter in recirculating system in Nile tilapia larviculture production |
spellingShingle |
Substrates for biofilter in recirculating system in Nile tilapia larviculture production PEDREIRA,Marcelo Mattos biofiltration limnological parameters nitrification water quality RAS |
title_short |
Substrates for biofilter in recirculating system in Nile tilapia larviculture production |
title_full |
Substrates for biofilter in recirculating system in Nile tilapia larviculture production |
title_fullStr |
Substrates for biofilter in recirculating system in Nile tilapia larviculture production |
title_full_unstemmed |
Substrates for biofilter in recirculating system in Nile tilapia larviculture production |
title_sort |
Substrates for biofilter in recirculating system in Nile tilapia larviculture production |
author |
PEDREIRA,Marcelo Mattos |
author_facet |
PEDREIRA,Marcelo Mattos TESSITORE,Antônio Jessey de Abreu PIRES,Aldrin Vieira SILVA,Martinho de Almeida SCHORER,Marianne |
author_role |
author |
author2 |
TESSITORE,Antônio Jessey de Abreu PIRES,Aldrin Vieira SILVA,Martinho de Almeida SCHORER,Marianne |
author2_role |
author author author author |
dc.contributor.author.fl_str_mv |
PEDREIRA,Marcelo Mattos TESSITORE,Antônio Jessey de Abreu PIRES,Aldrin Vieira SILVA,Martinho de Almeida SCHORER,Marianne |
dc.subject.por.fl_str_mv |
biofiltration limnological parameters nitrification water quality RAS |
topic |
biofiltration limnological parameters nitrification water quality RAS |
description |
SUMMARY Recirculating water system (RAS), provide to reduce water usage and to improve the quality by nutrient recycling, so biofilters are used to reduce ammonia concentrations by oxidation to nitrate, by nitrifying-bacteria. Biological filters have been utilized to maintain acceptable water parameters to larvae and juveniles, by decreasing ammonia concentrations. The objective of this experiment was to evaluate different substrates for aquarium biofilter on performance of Nile tilapia (Oreochromis niloticus) larvae, and water quality. One-thousand-two-hundred Nile tilapia larvae (initial length = 11.6 ± 0.82 mm; body weight (BW) =189.0 ± 0.44mg) were randomly allotted into one of twenty 6-L aquariums (60 larvae aquarium-1) with five different biofilter (4 aquariums each biofilter): (1) control, no substrate; (2) seashell-and granitic crushed stone-substrate; (3) granitic crushed stone substrate; (4) quartz gravel substrate; and (5) porcelain-substrate. The conductivity, turbidity, pH, nitrate, nitrite and ammonia values indicate that seashell and granitic crushed-stone, and porcelain-substrates had greater process of biofiltration effectiveness. Water oxygen did not differ among treatments, with all levels within the benchmark for the tilapia larvae. Fishes reared in aquarium with quartz gravel-and porcelain substrate fishes had greater BW, total and standard length compared with its from other substrates. Porcelain-substrate biofilter is indicated for tilapia larviculture due to improved weight and length and water quality. |
publishDate |
2016 |
dc.date.none.fl_str_mv |
2016-09-01 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1519-99402016000300553 |
url |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1519-99402016000300553 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
10.1590/S1519-99402016000300020 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
text/html |
dc.publisher.none.fl_str_mv |
UFBA - Universidade Federal da Bahia |
publisher.none.fl_str_mv |
UFBA - Universidade Federal da Bahia |
dc.source.none.fl_str_mv |
Revista Brasileira de Saúde e Produção Animal v.17 n.3 2016 reponame:Revista Brasileira de Saúde e Produção Animal instname:Universidade Federal da Bahia (UFBA) instacron:UFBA |
instname_str |
Universidade Federal da Bahia (UFBA) |
instacron_str |
UFBA |
institution |
UFBA |
reponame_str |
Revista Brasileira de Saúde e Produção Animal |
collection |
Revista Brasileira de Saúde e Produção Animal |
repository.name.fl_str_mv |
Revista Brasileira de Saúde e Produção Animal - Universidade Federal da Bahia (UFBA) |
repository.mail.fl_str_mv |
||rbspa@ufba.br |
_version_ |
1750297508101226496 |