Biofilm feeding by postlarvae of the pink shrimp Farfantepenaeus brasiliensis (Decapoda, Penaidae)

The effect of biofilm was assayed for Farfantepenaeus brasiliensis postlarvae fed with commercial pellets. Indoor tanks in a zero water exchange system were used, considering: shrimp fed with biofilm and commercial feed (B+F), and shrimp fed only with commercial feed (F); both receiving polyethylene...

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Autores principales: Viau, V.E., De Souza, D.M., Rodríguez, E.M., Wasielesky, W., Abreu, P.C., Ballester, E.L.C.
Formato: JOUR
Materias:
Artificial substrate
Biofilm
Farfantepenaeus brasiliensis
Nursery
Pink shrimp
Water quality
bioassay
biofilm
chlorophyll a
commercial species
concentration (composition)
crustacean
cyanobacterium
diatom
ethylene
growth
larva
nitrite
nursery ground
water exchange
water quality
Bacillariophyta
Ciliophora
Cyanobacteria
Decapoda (Crustacea)
Mastigophora (flagellates)
Nematoda
Rotifera
Thalassiosira weissflogii
Triticum aestivum
Acceso en línea:http://hdl.handle.net/20.500.12110/paper_1355557X_v44_n5_p783_Viau
Aporte de:
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
id todo:paper_1355557X_v44_n5_p783_Viau
record_format dspace
spelling todo:paper_1355557X_v44_n5_p783_Viau2023-10-03T16:10:20Z Biofilm feeding by postlarvae of the pink shrimp Farfantepenaeus brasiliensis (Decapoda, Penaidae) Viau, V.E. De Souza, D.M. Rodríguez, E.M. Wasielesky, W. Abreu, P.C. Ballester, E.L.C. Artificial substrate Biofilm Farfantepenaeus brasiliensis Nursery Pink shrimp Water quality bioassay biofilm chlorophyll a commercial species concentration (composition) crustacean cyanobacterium diatom ethylene growth larva nitrite nursery ground water exchange water quality Bacillariophyta Ciliophora Cyanobacteria Decapoda (Crustacea) Farfantepenaeus brasiliensis Mastigophora (flagellates) Nematoda Rotifera Thalassiosira weissflogii Triticum aestivum The effect of biofilm was assayed for Farfantepenaeus brasiliensis postlarvae fed with commercial pellets. Indoor tanks in a zero water exchange system were used, considering: shrimp fed with biofilm and commercial feed (B+F), and shrimp fed only with commercial feed (F); both receiving polyethylene sheets as artificial substrates. For B+F, sheets were placed 15 days before the trial into a heterotrophic medium (containing diatom Thalassiosira weissflogii, commercial feed, molasses and wheat bran in a 20 C:1 N ratio) to promote biofilm development. For F, clean sheets were used and daily replaced to avoid biofilm formation. Biofilm chlorophyll a concentration, micro-organisms density and water quality were determined weekly. Also, a stomach content analysis was made. An increase in chlorophyll a concentration was observed in biofilm during the experiment, characterized mainly by pennate diatoms, filamentous cyanobacteria, flagellates, ciliates, nematodes and rotifers. Most of these items were found in the stomach of shrimp; however, no significant differences in growth were detected between treatments. Survival was significantly higher and nitrite concentrations were significantly lower when biofilm was present. The results indicate that the use of biofilm could be considered a good tool during F. brasiliensis nursery phase, mainly by improving survival through the maintenance of water quality. © 2012 Blackwell Publishing Ltd. Fil:Viau, V.E. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Rodríguez, E.M. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_1355557X_v44_n5_p783_Viau
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic Artificial substrate
Biofilm
Farfantepenaeus brasiliensis
Nursery
Pink shrimp
Water quality
bioassay
biofilm
chlorophyll a
commercial species
concentration (composition)
crustacean
cyanobacterium
diatom
ethylene
growth
larva
nitrite
nursery ground
water exchange
water quality
Bacillariophyta
Ciliophora
Cyanobacteria
Decapoda (Crustacea)
Farfantepenaeus brasiliensis
Mastigophora (flagellates)
Nematoda
Rotifera
Thalassiosira weissflogii
Triticum aestivum
spellingShingle Artificial substrate
Biofilm
Farfantepenaeus brasiliensis
Nursery
Pink shrimp
Water quality
bioassay
biofilm
chlorophyll a
commercial species
concentration (composition)
crustacean
cyanobacterium
diatom
ethylene
growth
larva
nitrite
nursery ground
water exchange
water quality
Bacillariophyta
Ciliophora
Cyanobacteria
Decapoda (Crustacea)
Farfantepenaeus brasiliensis
Mastigophora (flagellates)
Nematoda
Rotifera
Thalassiosira weissflogii
Triticum aestivum
Viau, V.E.
De Souza, D.M.
Rodríguez, E.M.
Wasielesky, W.
Abreu, P.C.
Ballester, E.L.C.
Biofilm feeding by postlarvae of the pink shrimp Farfantepenaeus brasiliensis (Decapoda, Penaidae)
topic_facet Artificial substrate
Biofilm
Farfantepenaeus brasiliensis
Nursery
Pink shrimp
Water quality
bioassay
biofilm
chlorophyll a
commercial species
concentration (composition)
crustacean
cyanobacterium
diatom
ethylene
growth
larva
nitrite
nursery ground
water exchange
water quality
Bacillariophyta
Ciliophora
Cyanobacteria
Decapoda (Crustacea)
Farfantepenaeus brasiliensis
Mastigophora (flagellates)
Nematoda
Rotifera
Thalassiosira weissflogii
Triticum aestivum
description The effect of biofilm was assayed for Farfantepenaeus brasiliensis postlarvae fed with commercial pellets. Indoor tanks in a zero water exchange system were used, considering: shrimp fed with biofilm and commercial feed (B+F), and shrimp fed only with commercial feed (F); both receiving polyethylene sheets as artificial substrates. For B+F, sheets were placed 15 days before the trial into a heterotrophic medium (containing diatom Thalassiosira weissflogii, commercial feed, molasses and wheat bran in a 20 C:1 N ratio) to promote biofilm development. For F, clean sheets were used and daily replaced to avoid biofilm formation. Biofilm chlorophyll a concentration, micro-organisms density and water quality were determined weekly. Also, a stomach content analysis was made. An increase in chlorophyll a concentration was observed in biofilm during the experiment, characterized mainly by pennate diatoms, filamentous cyanobacteria, flagellates, ciliates, nematodes and rotifers. Most of these items were found in the stomach of shrimp; however, no significant differences in growth were detected between treatments. Survival was significantly higher and nitrite concentrations were significantly lower when biofilm was present. The results indicate that the use of biofilm could be considered a good tool during F. brasiliensis nursery phase, mainly by improving survival through the maintenance of water quality. © 2012 Blackwell Publishing Ltd.
format JOUR
author Viau, V.E.
De Souza, D.M.
Rodríguez, E.M.
Wasielesky, W.
Abreu, P.C.
Ballester, E.L.C.
author_facet Viau, V.E.
De Souza, D.M.
Rodríguez, E.M.
Wasielesky, W.
Abreu, P.C.
Ballester, E.L.C.
author_sort Viau, V.E.
title Biofilm feeding by postlarvae of the pink shrimp Farfantepenaeus brasiliensis (Decapoda, Penaidae)
title_short Biofilm feeding by postlarvae of the pink shrimp Farfantepenaeus brasiliensis (Decapoda, Penaidae)
title_full Biofilm feeding by postlarvae of the pink shrimp Farfantepenaeus brasiliensis (Decapoda, Penaidae)
title_fullStr Biofilm feeding by postlarvae of the pink shrimp Farfantepenaeus brasiliensis (Decapoda, Penaidae)
title_full_unstemmed Biofilm feeding by postlarvae of the pink shrimp Farfantepenaeus brasiliensis (Decapoda, Penaidae)
title_sort biofilm feeding by postlarvae of the pink shrimp farfantepenaeus brasiliensis (decapoda, penaidae)
url http://hdl.handle.net/20.500.12110/paper_1355557X_v44_n5_p783_Viau
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AT desouzadm biofilmfeedingbypostlarvaeofthepinkshrimpfarfantepenaeusbrasiliensisdecapodapenaidae
AT rodriguezem biofilmfeedingbypostlarvaeofthepinkshrimpfarfantepenaeusbrasiliensisdecapodapenaidae
AT wasieleskyw biofilmfeedingbypostlarvaeofthepinkshrimpfarfantepenaeusbrasiliensisdecapodapenaidae
AT abreupc biofilmfeedingbypostlarvaeofthepinkshrimpfarfantepenaeusbrasiliensisdecapodapenaidae
AT ballesterelc biofilmfeedingbypostlarvaeofthepinkshrimpfarfantepenaeusbrasiliensisdecapodapenaidae
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