A survey of whole-plant corn silages from Minas Gerais dairy farms

Detalhes bibliográficos
Autor(a) principal: Santos, Andréia de Oliveira dos
Data de Publicação: 2020
Outros Autores: Dias Junior, Gilson Sebastião, Pereira, Marcos Neves, Schwan, Rosane Freitas, Ávila, Carla Luiza da Silva
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Scientia Agrícola (Online)
Texto Completo: https://www.revistas.usp.br/sa/article/view/162820
Resumo: Whole-plant corn silage (WPCS) is a commonly used forage for feeding dairy cattle in Brazil. The aim of this study was to evaluate on-farm ensilaging practices and the nutritional value, microbiology and fermentation profiles of WPCS from dairy farms in the south of the state of Minas Gerais, Brazil. Silages from 54 dairy farms located in nine cities were sampled and a questionnaire was distributed for completion to describe the herd profile and ensilage practices. Herd size ranged from 8 to 1,000 lactating cows, and 52 % of the farms had fewer than 50 cows in lactation. The majority of the farms cultivated hard endosperm texture hybrids (52 %) and used pull-type forage harvesters (87 %). Double-sided plastic was the most used form of silo sealing (56 %) and 28 % used inoculants. Lactic acid bacteria count was greater than 6.01 log CFU g–1 in 60 % of the samples, and the mean populations of enterobacteria and Bacillus spp. were 4.23 and 4.09 log CFU g–1, respectively. Silo size ranged from 100 to 250 m3 in 44 % of the farms, and the silage removal rate was below 15 cm of the face/d in 41 % of cases. Silage dry matter (DM) concentration was 33 ± 3 % of fresh matter, NDF concentration was 57 ± 7 % of the DM, and in vitro NDF digestibility was 35 ± 11 % of the NDF. Silages with high DM concentrations had large particle size, affecting the nutritional value and the fermentative pattern. Improvements in ensiling practices can potentially inhibit the growth of spoilage microorganisms and raise the nutritional value of silages.
id USP-18_62b6c0901407d4e680e16f933954cb37
oai_identifier_str oai:revistas.usp.br:article/162820
network_acronym_str USP-18
network_name_str Scientia Agrícola (Online)
repository_id_str
spelling A survey of whole-plant corn silages from Minas Gerais dairy farmsaerobic deteriorationensilaging practicesdairy farminglactic acid bacteriaWhole-plant corn silage (WPCS) is a commonly used forage for feeding dairy cattle in Brazil. The aim of this study was to evaluate on-farm ensilaging practices and the nutritional value, microbiology and fermentation profiles of WPCS from dairy farms in the south of the state of Minas Gerais, Brazil. Silages from 54 dairy farms located in nine cities were sampled and a questionnaire was distributed for completion to describe the herd profile and ensilage practices. Herd size ranged from 8 to 1,000 lactating cows, and 52 % of the farms had fewer than 50 cows in lactation. The majority of the farms cultivated hard endosperm texture hybrids (52 %) and used pull-type forage harvesters (87 %). Double-sided plastic was the most used form of silo sealing (56 %) and 28 % used inoculants. Lactic acid bacteria count was greater than 6.01 log CFU g–1 in 60 % of the samples, and the mean populations of enterobacteria and Bacillus spp. were 4.23 and 4.09 log CFU g–1, respectively. Silo size ranged from 100 to 250 m3 in 44 % of the farms, and the silage removal rate was below 15 cm of the face/d in 41 % of cases. Silage dry matter (DM) concentration was 33 ± 3 % of fresh matter, NDF concentration was 57 ± 7 % of the DM, and in vitro NDF digestibility was 35 ± 11 % of the NDF. Silages with high DM concentrations had large particle size, affecting the nutritional value and the fermentative pattern. Improvements in ensiling practices can potentially inhibit the growth of spoilage microorganisms and raise the nutritional value of silages.Universidade de São Paulo. Escola Superior de Agricultura Luiz de Queiroz2020-04-20info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://www.revistas.usp.br/sa/article/view/16282010.1590/1678-992x-2018-0080Scientia Agricola; v. 77 n. 2 (2020); e20180080Scientia Agricola; Vol. 77 Núm. 2 (2020); e20180080Scientia Agricola; Vol. 77 No. 2 (2020); e201800801678-992X0103-9016reponame:Scientia Agrícola (Online)instname:Universidade de São Paulo (USP)instacron:USPenghttps://www.revistas.usp.br/sa/article/view/162820/156598Copyright (c) 2020 Scientia Agricolainfo:eu-repo/semantics/openAccessSantos, Andréia de Oliveira dosDias Junior, Gilson SebastiãoPereira, Marcos NevesSchwan, Rosane FreitasÁvila, Carla Luiza da Silva2019-10-02T19:26:28Zoai:revistas.usp.br:article/162820Revistahttp://revistas.usp.br/sa/indexPUBhttps://old.scielo.br/oai/scielo-oai.phpscientia@usp.br||alleoni@usp.br1678-992X0103-9016opendoar:2019-10-02T19:26:28Scientia Agrícola (Online) - Universidade de São Paulo (USP)false
dc.title.none.fl_str_mv A survey of whole-plant corn silages from Minas Gerais dairy farms
title A survey of whole-plant corn silages from Minas Gerais dairy farms
spellingShingle A survey of whole-plant corn silages from Minas Gerais dairy farms
Santos, Andréia de Oliveira dos
aerobic deterioration
ensilaging practices
dairy farming
lactic acid bacteria
title_short A survey of whole-plant corn silages from Minas Gerais dairy farms
title_full A survey of whole-plant corn silages from Minas Gerais dairy farms
title_fullStr A survey of whole-plant corn silages from Minas Gerais dairy farms
title_full_unstemmed A survey of whole-plant corn silages from Minas Gerais dairy farms
title_sort A survey of whole-plant corn silages from Minas Gerais dairy farms
author Santos, Andréia de Oliveira dos
author_facet Santos, Andréia de Oliveira dos
Dias Junior, Gilson Sebastião
Pereira, Marcos Neves
Schwan, Rosane Freitas
Ávila, Carla Luiza da Silva
author_role author
author2 Dias Junior, Gilson Sebastião
Pereira, Marcos Neves
Schwan, Rosane Freitas
Ávila, Carla Luiza da Silva
author2_role author
author
author
author
dc.contributor.author.fl_str_mv Santos, Andréia de Oliveira dos
Dias Junior, Gilson Sebastião
Pereira, Marcos Neves
Schwan, Rosane Freitas
Ávila, Carla Luiza da Silva
dc.subject.por.fl_str_mv aerobic deterioration
ensilaging practices
dairy farming
lactic acid bacteria
topic aerobic deterioration
ensilaging practices
dairy farming
lactic acid bacteria
description Whole-plant corn silage (WPCS) is a commonly used forage for feeding dairy cattle in Brazil. The aim of this study was to evaluate on-farm ensilaging practices and the nutritional value, microbiology and fermentation profiles of WPCS from dairy farms in the south of the state of Minas Gerais, Brazil. Silages from 54 dairy farms located in nine cities were sampled and a questionnaire was distributed for completion to describe the herd profile and ensilage practices. Herd size ranged from 8 to 1,000 lactating cows, and 52 % of the farms had fewer than 50 cows in lactation. The majority of the farms cultivated hard endosperm texture hybrids (52 %) and used pull-type forage harvesters (87 %). Double-sided plastic was the most used form of silo sealing (56 %) and 28 % used inoculants. Lactic acid bacteria count was greater than 6.01 log CFU g–1 in 60 % of the samples, and the mean populations of enterobacteria and Bacillus spp. were 4.23 and 4.09 log CFU g–1, respectively. Silo size ranged from 100 to 250 m3 in 44 % of the farms, and the silage removal rate was below 15 cm of the face/d in 41 % of cases. Silage dry matter (DM) concentration was 33 ± 3 % of fresh matter, NDF concentration was 57 ± 7 % of the DM, and in vitro NDF digestibility was 35 ± 11 % of the NDF. Silages with high DM concentrations had large particle size, affecting the nutritional value and the fermentative pattern. Improvements in ensiling practices can potentially inhibit the growth of spoilage microorganisms and raise the nutritional value of silages.
publishDate 2020
dc.date.none.fl_str_mv 2020-04-20
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv https://www.revistas.usp.br/sa/article/view/162820
10.1590/1678-992x-2018-0080
url https://www.revistas.usp.br/sa/article/view/162820
identifier_str_mv 10.1590/1678-992x-2018-0080
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv https://www.revistas.usp.br/sa/article/view/162820/156598
dc.rights.driver.fl_str_mv Copyright (c) 2020 Scientia Agricola
info:eu-repo/semantics/openAccess
rights_invalid_str_mv Copyright (c) 2020 Scientia Agricola
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Universidade de São Paulo. Escola Superior de Agricultura Luiz de Queiroz
publisher.none.fl_str_mv Universidade de São Paulo. Escola Superior de Agricultura Luiz de Queiroz
dc.source.none.fl_str_mv Scientia Agricola; v. 77 n. 2 (2020); e20180080
Scientia Agricola; Vol. 77 Núm. 2 (2020); e20180080
Scientia Agricola; Vol. 77 No. 2 (2020); e20180080
1678-992X
0103-9016
reponame:Scientia Agrícola (Online)
instname:Universidade de São Paulo (USP)
instacron:USP
instname_str Universidade de São Paulo (USP)
instacron_str USP
institution USP
reponame_str Scientia Agrícola (Online)
collection Scientia Agrícola (Online)
repository.name.fl_str_mv Scientia Agrícola (Online) - Universidade de São Paulo (USP)
repository.mail.fl_str_mv scientia@usp.br||alleoni@usp.br
_version_ 1800222794043097088