Effect of stocking density on growth and survival of the prawn Macrobrachium tenellum, cultured in a recirculating aquaculture system

ABSTRACT The stocking density of the freshwater prawn native to the Mexican Pacific coast, Macrobrachium tenellum, has not been evaluated in a recirculating aquaculture system. M. tenellum prawns with an average wet weight of 1.71 ± 0.11 g were reared for 60 days at three stocking densities (T1 = 10...

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Autores principales:	Peña-Herrejón,Guillermo Abraham, Sánchez-Velázquez,Julieta, García-Trejo,Juan Fernando, Soto-Zarazúa,Genaro Martin, Rico-García,Enrique
Lenguaje:	English
Publicado:	Pontificia Universidad Católica de Valparaíso. Facultad de Recursos Naturales. Escuela de Ciencias del Mar 2019
Materias:	Macrobrachium tenellum freshwater prawn growth performance survival aquaculture Mexican Pacific coast
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-560X2019000200342
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spelling	oai:scielo:S0718-560X20190002003422019-06-04Effect of stocking density on growth and survival of the prawn Macrobrachium tenellum, cultured in a recirculating aquaculture systemPeña-Herrejón,Guillermo AbrahamSánchez-Velázquez,JulietaGarcía-Trejo,Juan FernandoSoto-Zarazúa,Genaro MartinRico-García,Enrique Macrobrachium tenellum freshwater prawn growth performance survival aquaculture Mexican Pacific coast ABSTRACT The stocking density of the freshwater prawn native to the Mexican Pacific coast, Macrobrachium tenellum, has not been evaluated in a recirculating aquaculture system. M. tenellum prawns with an average wet weight of 1.71 ± 0.11 g were reared for 60 days at three stocking densities (T1 = 10 ind m−2; T2 = 15 ind m−2; T3 = 20 ind m−2), in nine (1 m2) tanks connected to a recirculating aquaculture system inside a greenhouse. Average individual weight gain (AIWG), biomass weight gain (BWG), specific growth rate (SGR), food conversion ratio (FCR) and survival rate (SR) were determined. Stocking density affected the BWG and SR. The lowest BWG was observed at the highest density (T1, 20.70 ± 4.75 g m−2; T2, 20.75 ± 4.72 g m−2; T3, 11.31 ± 3.65 g m−2), although weight per area unit increased with densities. SR decreased with increasing density (T1, 77.77 ± 9.62%; T2, 59.25 ± 12.83%; T3, 44.44 ± 4.81%). Other parameters did not show a difference between densities, with a maximum average individual weight at T2 (5.41 ± 1.14 g). The overall results suggested that stocking density affected the productivity and survival but not the individual growth of juvenile M. tenellum prawns cultured in a recirculating aquaculture system.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.2 20192019-05-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-560X2019000200342en10.3856/vol47-issue2-fulltext-14
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Macrobrachium tenellum freshwater prawn growth performance survival aquaculture Mexican Pacific coast
spellingShingle	Macrobrachium tenellum freshwater prawn growth performance survival aquaculture Mexican Pacific coast Peña-Herrejón,Guillermo Abraham Sánchez-Velázquez,Julieta García-Trejo,Juan Fernando Soto-Zarazúa,Genaro Martin Rico-García,Enrique Effect of stocking density on growth and survival of the prawn Macrobrachium tenellum, cultured in a recirculating aquaculture system
description	ABSTRACT The stocking density of the freshwater prawn native to the Mexican Pacific coast, Macrobrachium tenellum, has not been evaluated in a recirculating aquaculture system. M. tenellum prawns with an average wet weight of 1.71 ± 0.11 g were reared for 60 days at three stocking densities (T1 = 10 ind m−2; T2 = 15 ind m−2; T3 = 20 ind m−2), in nine (1 m2) tanks connected to a recirculating aquaculture system inside a greenhouse. Average individual weight gain (AIWG), biomass weight gain (BWG), specific growth rate (SGR), food conversion ratio (FCR) and survival rate (SR) were determined. Stocking density affected the BWG and SR. The lowest BWG was observed at the highest density (T1, 20.70 ± 4.75 g m−2; T2, 20.75 ± 4.72 g m−2; T3, 11.31 ± 3.65 g m−2), although weight per area unit increased with densities. SR decreased with increasing density (T1, 77.77 ± 9.62%; T2, 59.25 ± 12.83%; T3, 44.44 ± 4.81%). Other parameters did not show a difference between densities, with a maximum average individual weight at T2 (5.41 ± 1.14 g). The overall results suggested that stocking density affected the productivity and survival but not the individual growth of juvenile M. tenellum prawns cultured in a recirculating aquaculture system.
author	Peña-Herrejón,Guillermo Abraham Sánchez-Velázquez,Julieta García-Trejo,Juan Fernando Soto-Zarazúa,Genaro Martin Rico-García,Enrique
author_facet	Peña-Herrejón,Guillermo Abraham Sánchez-Velázquez,Julieta García-Trejo,Juan Fernando Soto-Zarazúa,Genaro Martin Rico-García,Enrique
author_sort	Peña-Herrejón,Guillermo Abraham
title	Effect of stocking density on growth and survival of the prawn Macrobrachium tenellum, cultured in a recirculating aquaculture system
title_short	Effect of stocking density on growth and survival of the prawn Macrobrachium tenellum, cultured in a recirculating aquaculture system
title_full	Effect of stocking density on growth and survival of the prawn Macrobrachium tenellum, cultured in a recirculating aquaculture system
title_fullStr	Effect of stocking density on growth and survival of the prawn Macrobrachium tenellum, cultured in a recirculating aquaculture system
title_full_unstemmed	Effect of stocking density on growth and survival of the prawn Macrobrachium tenellum, cultured in a recirculating aquaculture system
title_sort	effect of stocking density on growth and survival of the prawn macrobrachium tenellum, cultured in a recirculating aquaculture system
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=S0718-560X2019000200342
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Effect of stocking density on growth and survival of the prawn Macrobrachium tenellum, cultured in a recirculating aquaculture system

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