Biodegradation of agroindustrial wastes by Pleurotus spp for its use as ruminant feed

The increasing expansion of agro-industrial activity has led to the accumulation of a large quantity of lignocellulosic residues all over the world. In particular, large quantities of rice straw (300.000 t) and citric bagasse (50.000 t) are annually produced in Uruguay. In this work we present the s...

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Autores principales:	Alborés,Silvana, Pianzzola,María Julia, Soubes,Matilde, Cerdeiras,María Pía
Lenguaje:	English
Publicado:	Pontificia Universidad Católica de Valparaíso 2006
Materias:	agroindustry basidiomycetes ruminant feed
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-34582006000300008
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spelling	oai:scielo:S0717-345820060003000082007-01-17Biodegradation of agroindustrial wastes by Pleurotus spp for its use as ruminant feedAlborés,SilvanaPianzzola,María JuliaSoubes,MatildeCerdeiras,María Pía agroindustry basidiomycetes ruminant feed The increasing expansion of agro-industrial activity has led to the accumulation of a large quantity of lignocellulosic residues all over the world. In particular, large quantities of rice straw (300.000 t) and citric bagasse (50.000 t) are annually produced in Uruguay. In this work we present the study of the bioconversion of these substrates with the edible mushroom Pleurotus spp so as to increase nutritional values and digestibility for its use as animal feed. The SSF process was optimized and the products after different periods of mushroom growth were evaluated. The microbial counts (cfu/g) for the inoculated substrates 44 days after incubation were 15 x 10(4), < 10 and < 10 for aerobic microorganisms, coliforms and E. coli, respectively. After 14 days of SSF the percentage of dry matter, ADF and NDF decreased, and the content of protein increased. These results show that vegetal cell-wall components were degraded during the period of mushroom incubation. PCR - RFLP analysis of the ITS region was used to characterize the Pleurotus species produced in Uruguay and discriminate between DNAs of Pleurotus ostreatus 814 and other fungi from the different substrates.info:eu-repo/semantics/openAccessPontificia Universidad Católica de ValparaísoElectronic Journal of Biotechnology v.9 n.3 20062006-06-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-34582006000300008en
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	agroindustry basidiomycetes ruminant feed
spellingShingle	agroindustry basidiomycetes ruminant feed Alborés,Silvana Pianzzola,María Julia Soubes,Matilde Cerdeiras,María Pía Biodegradation of agroindustrial wastes by Pleurotus spp for its use as ruminant feed
description	The increasing expansion of agro-industrial activity has led to the accumulation of a large quantity of lignocellulosic residues all over the world. In particular, large quantities of rice straw (300.000 t) and citric bagasse (50.000 t) are annually produced in Uruguay. In this work we present the study of the bioconversion of these substrates with the edible mushroom Pleurotus spp so as to increase nutritional values and digestibility for its use as animal feed. The SSF process was optimized and the products after different periods of mushroom growth were evaluated. The microbial counts (cfu/g) for the inoculated substrates 44 days after incubation were 15 x 10(4), < 10 and < 10 for aerobic microorganisms, coliforms and E. coli, respectively. After 14 days of SSF the percentage of dry matter, ADF and NDF decreased, and the content of protein increased. These results show that vegetal cell-wall components were degraded during the period of mushroom incubation. PCR - RFLP analysis of the ITS region was used to characterize the Pleurotus species produced in Uruguay and discriminate between DNAs of Pleurotus ostreatus 814 and other fungi from the different substrates.
author	Alborés,Silvana Pianzzola,María Julia Soubes,Matilde Cerdeiras,María Pía
author_facet	Alborés,Silvana Pianzzola,María Julia Soubes,Matilde Cerdeiras,María Pía
author_sort	Alborés,Silvana
title	Biodegradation of agroindustrial wastes by Pleurotus spp for its use as ruminant feed
title_short	Biodegradation of agroindustrial wastes by Pleurotus spp for its use as ruminant feed
title_full	Biodegradation of agroindustrial wastes by Pleurotus spp for its use as ruminant feed
title_fullStr	Biodegradation of agroindustrial wastes by Pleurotus spp for its use as ruminant feed
title_full_unstemmed	Biodegradation of agroindustrial wastes by Pleurotus spp for its use as ruminant feed
title_sort	biodegradation of agroindustrial wastes by pleurotus spp for its use as ruminant feed
publisher	Pontificia Universidad Católica de Valparaíso
publishDate	2006
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-34582006000300008
work_keys_str_mv	AT alboressilvana biodegradationofagroindustrialwastesbypleurotussppforitsuseasruminantfeed AT pianzzolamariajulia biodegradationofagroindustrialwastesbypleurotussppforitsuseasruminantfeed AT soubesmatilde biodegradationofagroindustrialwastesbypleurotussppforitsuseasruminantfeed AT cerdeirasmariapia biodegradationofagroindustrialwastesbypleurotussppforitsuseasruminantfeed
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Biodegradation of agroindustrial wastes by Pleurotus spp for its use as ruminant feed

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