Effect of adding vegetable substrates on Penaeus vannamei pre-grown in biofloc system on shrimp performance, water quality and biofloc composition

ABSTRACT The effect of adding vegetable substrates: wheat bran (WB), oat bran (OB) and amaranth seeds (AS) on water quality, biofloc composition and production response of Penaeus vannamei intensively pregrown, was evaluated during five weeks. Water quality parameters (temperature, pH, salinity and...

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Autores principales:	Peiro-Alcantar,Cecilia, Rivas-Vega,Martha E., Martínez-Porchas,Marcel, Lizárraga-Armenta,Jesús A., Miranda-Baeza,Anselmo, Martínez-Córdova,Luis R.
Lenguaje:	English
Publicado:	Pontificia Universidad Católica de Valparaíso. Facultad de Recursos Naturales. Escuela de Ciencias del Mar 2019
Materias:	Penaeus vannamei biofloc shrimp nutrition vegetable substrate biofloc composition aquaculture
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-560X2019000500784
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spelling	oai:scielo:S0718-560X20190005007842019-12-05Effect of adding vegetable substrates on Penaeus vannamei pre-grown in biofloc system on shrimp performance, water quality and biofloc compositionPeiro-Alcantar,CeciliaRivas-Vega,Martha E.Martínez-Porchas,MarcelLizárraga-Armenta,Jesús A.Miranda-Baeza,AnselmoMartínez-Córdova,Luis R. Penaeus vannamei biofloc shrimp nutrition vegetable substrate biofloc composition aquaculture ABSTRACT The effect of adding vegetable substrates: wheat bran (WB), oat bran (OB) and amaranth seeds (AS) on water quality, biofloc composition and production response of Penaeus vannamei intensively pregrown, was evaluated during five weeks. Water quality parameters (temperature, pH, salinity and dissolved oxygen) were monitored twice a day; nitrogenous compounds (TAN, NO2-N, NO3-N) and the total suspended solids (TSS), were recorded weekly. Weight gain and survival of juveniles were monitored each week. Chemical proximate composition of biofloc and content of heterotrophic bacteria were recorded at the end of the trial. No significant differences were observed for any of the water quality parameters or nitrogenous compounds. The TSS was higher in treatments with substrates compared to the control. The treatment WB showed the highest content of heterotrophic bacteria. Organic matter in the bioflocs ranged from 58.3 to 62.4%, proteins from 33.4 to 37.6%, lipids from 0.4 to 0.5% and carbohydrates from 17.1 to 25.5%, without significant differences in any of them among treatments. The mean final weight varied from 1.10 to 1.38 g, and specific growth rate from 5.83 to 6.43% d−1, with the highest values in treatment OB. Final survival ranged from 93.7 to 98.8% without significant differences among treatments and the control. The feed conversion ratio varied from 0.92 to 1.20 with the lowest value in OB compared to the control. The results suggest that supplementation of substrates does not have a negative effect on water quality, but have positive effects on the productive response of shrimp during their pre-grown, being oat bran the most adequate.info:eu-repo/semantics/openAccessPontificia Universidad Católica de Valparaíso. Facultad de Recursos Naturales. Escuela de Ciencias del MarLatin american journal of aquatic research v.47 n.5 20192019-11-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-560X2019000500784en10.3856/vol47-issue5-fulltext-7
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Penaeus vannamei biofloc shrimp nutrition vegetable substrate biofloc composition aquaculture
spellingShingle	Penaeus vannamei biofloc shrimp nutrition vegetable substrate biofloc composition aquaculture Peiro-Alcantar,Cecilia Rivas-Vega,Martha E. Martínez-Porchas,Marcel Lizárraga-Armenta,Jesús A. Miranda-Baeza,Anselmo Martínez-Córdova,Luis R. Effect of adding vegetable substrates on Penaeus vannamei pre-grown in biofloc system on shrimp performance, water quality and biofloc composition
description	ABSTRACT The effect of adding vegetable substrates: wheat bran (WB), oat bran (OB) and amaranth seeds (AS) on water quality, biofloc composition and production response of Penaeus vannamei intensively pregrown, was evaluated during five weeks. Water quality parameters (temperature, pH, salinity and dissolved oxygen) were monitored twice a day; nitrogenous compounds (TAN, NO2-N, NO3-N) and the total suspended solids (TSS), were recorded weekly. Weight gain and survival of juveniles were monitored each week. Chemical proximate composition of biofloc and content of heterotrophic bacteria were recorded at the end of the trial. No significant differences were observed for any of the water quality parameters or nitrogenous compounds. The TSS was higher in treatments with substrates compared to the control. The treatment WB showed the highest content of heterotrophic bacteria. Organic matter in the bioflocs ranged from 58.3 to 62.4%, proteins from 33.4 to 37.6%, lipids from 0.4 to 0.5% and carbohydrates from 17.1 to 25.5%, without significant differences in any of them among treatments. The mean final weight varied from 1.10 to 1.38 g, and specific growth rate from 5.83 to 6.43% d−1, with the highest values in treatment OB. Final survival ranged from 93.7 to 98.8% without significant differences among treatments and the control. The feed conversion ratio varied from 0.92 to 1.20 with the lowest value in OB compared to the control. The results suggest that supplementation of substrates does not have a negative effect on water quality, but have positive effects on the productive response of shrimp during their pre-grown, being oat bran the most adequate.
author	Peiro-Alcantar,Cecilia Rivas-Vega,Martha E. Martínez-Porchas,Marcel Lizárraga-Armenta,Jesús A. Miranda-Baeza,Anselmo Martínez-Córdova,Luis R.
author_facet	Peiro-Alcantar,Cecilia Rivas-Vega,Martha E. Martínez-Porchas,Marcel Lizárraga-Armenta,Jesús A. Miranda-Baeza,Anselmo Martínez-Córdova,Luis R.
author_sort	Peiro-Alcantar,Cecilia
title	Effect of adding vegetable substrates on Penaeus vannamei pre-grown in biofloc system on shrimp performance, water quality and biofloc composition
title_short	Effect of adding vegetable substrates on Penaeus vannamei pre-grown in biofloc system on shrimp performance, water quality and biofloc composition
title_full	Effect of adding vegetable substrates on Penaeus vannamei pre-grown in biofloc system on shrimp performance, water quality and biofloc composition
title_fullStr	Effect of adding vegetable substrates on Penaeus vannamei pre-grown in biofloc system on shrimp performance, water quality and biofloc composition
title_full_unstemmed	Effect of adding vegetable substrates on Penaeus vannamei pre-grown in biofloc system on shrimp performance, water quality and biofloc composition
title_sort	effect of adding vegetable substrates on penaeus vannamei pre-grown in biofloc system on shrimp performance, water quality and biofloc composition
publisher	Pontificia Universidad Católica de Valparaíso. Facultad de Recursos Naturales. Escuela de Ciencias del Mar
publishDate	2019
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-560X2019000500784
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Effect of adding vegetable substrates on Penaeus vannamei pre-grown in biofloc system on shrimp performance, water quality and biofloc composition

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