Meat quality of Morada Nova lambs subjected to different feeding regimes
Autor(a) principal: | |
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Data de Publicação: | 2016 |
Outros Autores: | , , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Semina. Ciências Agrárias (Online) |
Texto Completo: | https://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/18415 |
Resumo: | This study aimed to evaluate the effect of pre- and post-calving feed restriction on quantitative characteristics and lipid profile of meat from Morada Nova sheep. Twenty-four male lambs from single births only, with an initial weight of 10.0 ± 3.07 kg and at four months of age, were distributed in a randomized complete design, into three groups: pre-calving restriction (R-PRE; n=8) post-calving restriction (R-POS; n=8), and ad libitum feeding (ADLI; n=8). To make up the experimental treatments, the feeding regime applied previously on the sheep in the last third of pregnancy was considered. Treatments ADLI and R-POS were composed of lambs born from ewes fed ad libitum in the last third of pregnancy. Treatment R-PRE consisted of lambs born from ewes subjected to feed restriction in the last third of pregnancy at 60% of the recommended requirements for the group of ewes feeding ad libitum. For the lambs from treatments ADLI and R-PRE, the diet was supplied allowing 20% of the total supplied as refusals. For the animals from R-POS, a 30% restriction was imposed in relation to the animals feeding ad libitum. Animals were slaughtered with an average live weight of 25 kg. Afterwards, carcasses were chilled at 4 ºC for 24 h. Meat quality measurements were taken on the right side of each carcass; pH was determined immediately after slaughter and then again after chilling. Samples of the longissimus dorsi muscle were collected and frozen at -20 ºC. Moisture, ash, protein, total lipids, water-holding capacity, and cooking loss were determined in the meat samples, which were then subjected to the shear-force test. The sensory analysis was determined by the hedonic-scale test, in which sensory parameters of tenderness, juiciness, flavor, aroma, and overall acceptability and fatty acid profile were evaluated. There was a feed-restriction effect on protein, lipids, and water-holding capacity (P0.05). Saturated fatty acid contents were affected by the treatments (P0.05). Feed restriction does not compromise the physicochemical or sensory quality of Morada Nova lambs meat, but rather provides a meat product of good acceptance. |
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Meat quality of Morada Nova lambs subjected to different feeding regimesQualidade da carne de ovinos Morada Nova submetidos a diferentes manejos alimentaresFeedlotFeed restrictionLipidsSheepTenderness.ConfinamentoLipídiosMaciezOvinosRestrição alimentar.This study aimed to evaluate the effect of pre- and post-calving feed restriction on quantitative characteristics and lipid profile of meat from Morada Nova sheep. Twenty-four male lambs from single births only, with an initial weight of 10.0 ± 3.07 kg and at four months of age, were distributed in a randomized complete design, into three groups: pre-calving restriction (R-PRE; n=8) post-calving restriction (R-POS; n=8), and ad libitum feeding (ADLI; n=8). To make up the experimental treatments, the feeding regime applied previously on the sheep in the last third of pregnancy was considered. Treatments ADLI and R-POS were composed of lambs born from ewes fed ad libitum in the last third of pregnancy. Treatment R-PRE consisted of lambs born from ewes subjected to feed restriction in the last third of pregnancy at 60% of the recommended requirements for the group of ewes feeding ad libitum. For the lambs from treatments ADLI and R-PRE, the diet was supplied allowing 20% of the total supplied as refusals. For the animals from R-POS, a 30% restriction was imposed in relation to the animals feeding ad libitum. Animals were slaughtered with an average live weight of 25 kg. Afterwards, carcasses were chilled at 4 ºC for 24 h. Meat quality measurements were taken on the right side of each carcass; pH was determined immediately after slaughter and then again after chilling. Samples of the longissimus dorsi muscle were collected and frozen at -20 ºC. Moisture, ash, protein, total lipids, water-holding capacity, and cooking loss were determined in the meat samples, which were then subjected to the shear-force test. The sensory analysis was determined by the hedonic-scale test, in which sensory parameters of tenderness, juiciness, flavor, aroma, and overall acceptability and fatty acid profile were evaluated. There was a feed-restriction effect on protein, lipids, and water-holding capacity (P0.05). Saturated fatty acid contents were affected by the treatments (P0.05). Feed restriction does not compromise the physicochemical or sensory quality of Morada Nova lambs meat, but rather provides a meat product of good acceptance.Objetivou-se avaliar o efeito da restrição alimentar pré e pós-natal sobre características qualitativas e do perfil lipídico da carne de ovinos da raça Morada Nova. Vinte e quatro cordeiros foram usados, machos, somente de parto simples, peso inicial 10,0 ± 3,07 kg e quatro meses de idade, distribuídos num delineamento inteiramente casualizado, em três grupos: restrição pré-natal (R-PRE; n=8) e pós-natal (R-POS; n=8), e ad libitum (ADLI; n=8). Para composição dos tratamentos experimentais foi considerado o manejo alimentar aplicado anteriormente nas ovelhas no terço final de gestação. Os tratamentos ADLI e R-POS foram formados por cordeiros nascidos de ovelhas alimentadas ad libitum no terço final da gestação. O tratamento R-PRE foi constituído por cordeiros nascidos de ovelhas submetidas à restrição no terço final de gestação em 60% da recomendação das exigências do grupo de ovelhas ad libitum. Para os cordeiros dos tratamentos ADLI e R-PRE a dieta foi fornecida permitindo-se sobras de 20% do total oferecido. Para os animais do tratamento R-POS foi imposto restrição de 30% em relação aos animais alimentados ad libitum. Os animais foram abatidos com peso vivo médio de 25 kg. Após isso, as carcaças foram resfriadas a 4°C por 24 horas. As mensurações de qualidade da carne foram realizadas no lado direito de cada carcaça. O pH foi determinado imediatamente após o abate e novamente após o resfriamento. Foram coletadas amostras do músculo longissimus dorsi e congelados a -20°C. Na carne, foram determinados os teores de umidade, cinzas, proteína e lipídios totais, capacidade de retenção de água, perda de peso por cocção, em seguida, submetidas à determinação da força de cisalhamento. A análise sensorial foi determinada pelo teste da escala hedônica sendo avaliados parâmetros sensoriais de dureza, suculência, sabor, aroma, aceitação global, e o determinado o perfil de ácidos graxos. Houve efeito da restrição alimentar para proteína, lipídeos e capacidade retenção de água (P0,05). Os teores de ácidos graxos saturados foram afetados pelos tratamentos (P0,05). A restrição alimentar não compromete a qualidade físico-química e sensorial da carne de cordeiros Morada Nova, e proporciona produto cárneo de qualidade e de boa aceitação.UEL2016-04-26info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionPesquisa Empírica de Campoapplication/pdfhttps://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/1841510.5433/1679-0359.2016v37n2p911Semina: Ciências Agrárias; Vol. 37 No. 2 (2016); 911-920Semina: Ciências Agrárias; v. 37 n. 2 (2016); 911-9201679-03591676-546Xreponame:Semina. Ciências Agrárias (Online)instname:Universidade Estadual de Londrina (UEL)instacron:UELenghttps://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/18415/18636http://creativecommons.org/licenses/by-nc/4.0info:eu-repo/semantics/openAccessSilva, Antônio Clébio Ferreira daCosta, Hélio Henrique AraújoPeres, Maria Claudete RodriguesCosta, Adaílton CameloSousa, Diego Rodrigues deBatista, Ana Sancha MalveiraLandim, Aline Vieira2022-12-01T16:34:49Zoai:ojs.pkp.sfu.ca:article/18415Revistahttp://www.uel.br/revistas/uel/index.php/semagrariasPUBhttps://ojs.uel.br/revistas/uel/index.php/semagrarias/oaisemina.agrarias@uel.br1679-03591676-546Xopendoar:2022-12-01T16:34:49Semina. Ciências Agrárias (Online) - Universidade Estadual de Londrina (UEL)false |
dc.title.none.fl_str_mv |
Meat quality of Morada Nova lambs subjected to different feeding regimes Qualidade da carne de ovinos Morada Nova submetidos a diferentes manejos alimentares |
title |
Meat quality of Morada Nova lambs subjected to different feeding regimes |
spellingShingle |
Meat quality of Morada Nova lambs subjected to different feeding regimes Silva, Antônio Clébio Ferreira da Feedlot Feed restriction Lipids Sheep Tenderness. Confinamento Lipídios Maciez Ovinos Restrição alimentar. |
title_short |
Meat quality of Morada Nova lambs subjected to different feeding regimes |
title_full |
Meat quality of Morada Nova lambs subjected to different feeding regimes |
title_fullStr |
Meat quality of Morada Nova lambs subjected to different feeding regimes |
title_full_unstemmed |
Meat quality of Morada Nova lambs subjected to different feeding regimes |
title_sort |
Meat quality of Morada Nova lambs subjected to different feeding regimes |
author |
Silva, Antônio Clébio Ferreira da |
author_facet |
Silva, Antônio Clébio Ferreira da Costa, Hélio Henrique Araújo Peres, Maria Claudete Rodrigues Costa, Adaílton Camelo Sousa, Diego Rodrigues de Batista, Ana Sancha Malveira Landim, Aline Vieira |
author_role |
author |
author2 |
Costa, Hélio Henrique Araújo Peres, Maria Claudete Rodrigues Costa, Adaílton Camelo Sousa, Diego Rodrigues de Batista, Ana Sancha Malveira Landim, Aline Vieira |
author2_role |
author author author author author author |
dc.contributor.author.fl_str_mv |
Silva, Antônio Clébio Ferreira da Costa, Hélio Henrique Araújo Peres, Maria Claudete Rodrigues Costa, Adaílton Camelo Sousa, Diego Rodrigues de Batista, Ana Sancha Malveira Landim, Aline Vieira |
dc.subject.por.fl_str_mv |
Feedlot Feed restriction Lipids Sheep Tenderness. Confinamento Lipídios Maciez Ovinos Restrição alimentar. |
topic |
Feedlot Feed restriction Lipids Sheep Tenderness. Confinamento Lipídios Maciez Ovinos Restrição alimentar. |
description |
This study aimed to evaluate the effect of pre- and post-calving feed restriction on quantitative characteristics and lipid profile of meat from Morada Nova sheep. Twenty-four male lambs from single births only, with an initial weight of 10.0 ± 3.07 kg and at four months of age, were distributed in a randomized complete design, into three groups: pre-calving restriction (R-PRE; n=8) post-calving restriction (R-POS; n=8), and ad libitum feeding (ADLI; n=8). To make up the experimental treatments, the feeding regime applied previously on the sheep in the last third of pregnancy was considered. Treatments ADLI and R-POS were composed of lambs born from ewes fed ad libitum in the last third of pregnancy. Treatment R-PRE consisted of lambs born from ewes subjected to feed restriction in the last third of pregnancy at 60% of the recommended requirements for the group of ewes feeding ad libitum. For the lambs from treatments ADLI and R-PRE, the diet was supplied allowing 20% of the total supplied as refusals. For the animals from R-POS, a 30% restriction was imposed in relation to the animals feeding ad libitum. Animals were slaughtered with an average live weight of 25 kg. Afterwards, carcasses were chilled at 4 ºC for 24 h. Meat quality measurements were taken on the right side of each carcass; pH was determined immediately after slaughter and then again after chilling. Samples of the longissimus dorsi muscle were collected and frozen at -20 ºC. Moisture, ash, protein, total lipids, water-holding capacity, and cooking loss were determined in the meat samples, which were then subjected to the shear-force test. The sensory analysis was determined by the hedonic-scale test, in which sensory parameters of tenderness, juiciness, flavor, aroma, and overall acceptability and fatty acid profile were evaluated. There was a feed-restriction effect on protein, lipids, and water-holding capacity (P0.05). Saturated fatty acid contents were affected by the treatments (P0.05). Feed restriction does not compromise the physicochemical or sensory quality of Morada Nova lambs meat, but rather provides a meat product of good acceptance. |
publishDate |
2016 |
dc.date.none.fl_str_mv |
2016-04-26 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Pesquisa Empírica de Campo |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
https://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/18415 10.5433/1679-0359.2016v37n2p911 |
url |
https://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/18415 |
identifier_str_mv |
10.5433/1679-0359.2016v37n2p911 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
https://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/18415/18636 |
dc.rights.driver.fl_str_mv |
http://creativecommons.org/licenses/by-nc/4.0 info:eu-repo/semantics/openAccess |
rights_invalid_str_mv |
http://creativecommons.org/licenses/by-nc/4.0 |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
UEL |
publisher.none.fl_str_mv |
UEL |
dc.source.none.fl_str_mv |
Semina: Ciências Agrárias; Vol. 37 No. 2 (2016); 911-920 Semina: Ciências Agrárias; v. 37 n. 2 (2016); 911-920 1679-0359 1676-546X reponame:Semina. Ciências Agrárias (Online) instname:Universidade Estadual de Londrina (UEL) instacron:UEL |
instname_str |
Universidade Estadual de Londrina (UEL) |
instacron_str |
UEL |
institution |
UEL |
reponame_str |
Semina. Ciências Agrárias (Online) |
collection |
Semina. Ciências Agrárias (Online) |
repository.name.fl_str_mv |
Semina. Ciências Agrárias (Online) - Universidade Estadual de Londrina (UEL) |
repository.mail.fl_str_mv |
semina.agrarias@uel.br |
_version_ |
1799306072203198464 |