Consumption of dry matter observed and predicted by the nutritional systems in senepol bulls kept in confinement

Detalhes bibliográficos
Autor(a) principal: Ferreira, Aline Maria Soares
Data de Publicação: 2020
Outros Autores: Silva, Simone Pedro da, Faria, Carina Ubirajara de, Mendes, Egleu Diomedes Marinho, Felipe, Ester Ferreira
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Bioscience journal (Online)
Texto Completo: https://seer.ufu.br/index.php/biosciencejournal/article/view/48025
Resumo: The objective was to compare the dry matter consumption (CMS) observed, through the use of the GrowSafe® electronic system, with that predicted by the BR-Corte (2010 and 2016) and NRC (2000) nutritional systems in confined Senepol bulls. To this end, 24 Senepol Bulls were used in a completely randomized design, uncastrated with an average initial weight of 368 kg and 16 months of age. The evaluation of the accuracy and approximation of the CMS estimates by the nutritional systems was adjusted by the simple linear regression model and the decomposition of the mean square of the prediction error (QMEP). The mean CMS observed was 10.33 kg.day-1, higher than the values predicted by the nutritional systems, in which the values predicted by the NRC (2000) and BR-Corte 2010 and 2016 underestimated the CMS by 29.62, 6.19 and 2.03%, respectively. The verification of QMEP and its decomposition made it possible to infer the proximity of the values predicted by the BR-Corte 2010 and 2016 models and the values observed, which presented a better adjustment in relation to the NRC. Surprisingly the values predicted by the NRC, created from a database with Bos taurus animals, showed greater distance from the values predicted and observed, and it was expected greater accuracy of the NRC models for this category and animal breed. It is concluded that the BR-Corte 2016 was the most appropriate model to estimate the CMS of confined Senepol bulls.
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spelling Consumption of dry matter observed and predicted by the nutritional systems in senepol bulls kept in confinementConsumo de matéria seca observado e predito pelos sistemas nutricionais em touros senepol mantidos em confinamentoEquations.Bos taurus. Nutrition.BR-Corte.Electronic feeding systems.VeterinaryEquações.Bos taurus.Nutrição.BR-Corte.Sistemas eletrônicos de alimentação.The objective was to compare the dry matter consumption (CMS) observed, through the use of the GrowSafe® electronic system, with that predicted by the BR-Corte (2010 and 2016) and NRC (2000) nutritional systems in confined Senepol bulls. To this end, 24 Senepol Bulls were used in a completely randomized design, uncastrated with an average initial weight of 368 kg and 16 months of age. The evaluation of the accuracy and approximation of the CMS estimates by the nutritional systems was adjusted by the simple linear regression model and the decomposition of the mean square of the prediction error (QMEP). The mean CMS observed was 10.33 kg.day-1, higher than the values predicted by the nutritional systems, in which the values predicted by the NRC (2000) and BR-Corte 2010 and 2016 underestimated the CMS by 29.62, 6.19 and 2.03%, respectively. The verification of QMEP and its decomposition made it possible to infer the proximity of the values predicted by the BR-Corte 2010 and 2016 models and the values observed, which presented a better adjustment in relation to the NRC. Surprisingly the values predicted by the NRC, created from a database with Bos taurus animals, showed greater distance from the values predicted and observed, and it was expected greater accuracy of the NRC models for this category and animal breed. It is concluded that the BR-Corte 2016 was the most appropriate model to estimate the CMS of confined Senepol bulls.Objetivou-se comparar o consumo de matéria seca (CMS) observado, por meio do uso do sistema eletrônico GrowSafe®, com o predito pelos sistemas nutricionais BR-Corte (2010 e 2016) e NRC (2000) em touros da raça Senepol em confinamento. Para isso, foram utilizados 24 Touros da raça Senepol em delineamento inteiramente casualizado, não castrados com peso inicial médio 368 kg e 16 meses de idade. A avaliação da exatidão e aproximação das estimativas do CMS pelos sistemas nutricionais foi ajustada pelo modelo de regressão linear simples e decomposição do quadrado médio do erro de predição (QMEP). O CMS médio observado foi de 10,33 kg.dia-1, valor superior aos valores preditos pelos sistemas nutricionais, no qual os valores preditos pelo NRC (2000) e BR-Corte 2010 e 2016 subestimaram o CMS em 29,62, 6,19 e 2,03%, respectivamente. A verificação do QMEP e sua decomposição possibilitou inferir sobre a proximidade dos valores preditos pelos modelos BR-Corte 2010 e 2016 e os valores observados, os quais apresentaram melhor ajuste em relação ao NRC. Surpreendentemente os valores preditos pelo NRC, criado a partir de banco de dados com animais Bos taurus, apresentou maior distanciamento dos valores preditos e observados, sendo que era esperada maior precisão dos modelos NRC para esta categoria e raça animal. Conclui-se que o BR-Corte 2016 foi o modelo mais adequado para estimar o CMS de touros da raça Senepol em confinamento.EDUFU2020-09-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://seer.ufu.br/index.php/biosciencejournal/article/view/4802510.14393/BJ-v36n6a2020-48025Bioscience Journal ; Vol. 36 No. 6 (2020): Nov./Dec.; 2165-2171Bioscience Journal ; v. 36 n. 6 (2020): Nov./Dec.; 2165-21711981-3163reponame:Bioscience journal (Online)instname:Universidade Federal de Uberlândia (UFU)instacron:UFUenghttps://seer.ufu.br/index.php/biosciencejournal/article/view/48025/30426Brazil; Contemporary Copyright (c) 2020 Aline Maria Soares Ferreira, Simone Pedro da Silva, Carina Ubirajara de Faria, Egleu Diomedes Marinho Mendes, Ester Ferreira Felipehttps://creativecommons.org/licenses/by/4.0info:eu-repo/semantics/openAccessFerreira, Aline Maria SoaresSilva, Simone Pedro daFaria, Carina Ubirajara deMendes, Egleu Diomedes MarinhoFelipe, Ester Ferreira2022-05-30T18:52:41Zoai:ojs.www.seer.ufu.br:article/48025Revistahttps://seer.ufu.br/index.php/biosciencejournalPUBhttps://seer.ufu.br/index.php/biosciencejournal/oaibiosciencej@ufu.br||1981-31631516-3725opendoar:2022-05-30T18:52:41Bioscience journal (Online) - Universidade Federal de Uberlândia (UFU)false
dc.title.none.fl_str_mv Consumption of dry matter observed and predicted by the nutritional systems in senepol bulls kept in confinement
Consumo de matéria seca observado e predito pelos sistemas nutricionais em touros senepol mantidos em confinamento
title Consumption of dry matter observed and predicted by the nutritional systems in senepol bulls kept in confinement
spellingShingle Consumption of dry matter observed and predicted by the nutritional systems in senepol bulls kept in confinement
Ferreira, Aline Maria Soares
Equations.
Bos taurus. Nutrition.
BR-Corte.
Electronic feeding systems.
Veterinary
Equações.
Bos taurus.
Nutrição.
BR-Corte.
Sistemas eletrônicos de alimentação.
title_short Consumption of dry matter observed and predicted by the nutritional systems in senepol bulls kept in confinement
title_full Consumption of dry matter observed and predicted by the nutritional systems in senepol bulls kept in confinement
title_fullStr Consumption of dry matter observed and predicted by the nutritional systems in senepol bulls kept in confinement
title_full_unstemmed Consumption of dry matter observed and predicted by the nutritional systems in senepol bulls kept in confinement
title_sort Consumption of dry matter observed and predicted by the nutritional systems in senepol bulls kept in confinement
author Ferreira, Aline Maria Soares
author_facet Ferreira, Aline Maria Soares
Silva, Simone Pedro da
Faria, Carina Ubirajara de
Mendes, Egleu Diomedes Marinho
Felipe, Ester Ferreira
author_role author
author2 Silva, Simone Pedro da
Faria, Carina Ubirajara de
Mendes, Egleu Diomedes Marinho
Felipe, Ester Ferreira
author2_role author
author
author
author
dc.contributor.author.fl_str_mv Ferreira, Aline Maria Soares
Silva, Simone Pedro da
Faria, Carina Ubirajara de
Mendes, Egleu Diomedes Marinho
Felipe, Ester Ferreira
dc.subject.por.fl_str_mv Equations.
Bos taurus. Nutrition.
BR-Corte.
Electronic feeding systems.
Veterinary
Equações.
Bos taurus.
Nutrição.
BR-Corte.
Sistemas eletrônicos de alimentação.
topic Equations.
Bos taurus. Nutrition.
BR-Corte.
Electronic feeding systems.
Veterinary
Equações.
Bos taurus.
Nutrição.
BR-Corte.
Sistemas eletrônicos de alimentação.
description The objective was to compare the dry matter consumption (CMS) observed, through the use of the GrowSafe® electronic system, with that predicted by the BR-Corte (2010 and 2016) and NRC (2000) nutritional systems in confined Senepol bulls. To this end, 24 Senepol Bulls were used in a completely randomized design, uncastrated with an average initial weight of 368 kg and 16 months of age. The evaluation of the accuracy and approximation of the CMS estimates by the nutritional systems was adjusted by the simple linear regression model and the decomposition of the mean square of the prediction error (QMEP). The mean CMS observed was 10.33 kg.day-1, higher than the values predicted by the nutritional systems, in which the values predicted by the NRC (2000) and BR-Corte 2010 and 2016 underestimated the CMS by 29.62, 6.19 and 2.03%, respectively. The verification of QMEP and its decomposition made it possible to infer the proximity of the values predicted by the BR-Corte 2010 and 2016 models and the values observed, which presented a better adjustment in relation to the NRC. Surprisingly the values predicted by the NRC, created from a database with Bos taurus animals, showed greater distance from the values predicted and observed, and it was expected greater accuracy of the NRC models for this category and animal breed. It is concluded that the BR-Corte 2016 was the most appropriate model to estimate the CMS of confined Senepol bulls.
publishDate 2020
dc.date.none.fl_str_mv 2020-09-01
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://seer.ufu.br/index.php/biosciencejournal/article/view/48025
10.14393/BJ-v36n6a2020-48025
url https://seer.ufu.br/index.php/biosciencejournal/article/view/48025
identifier_str_mv 10.14393/BJ-v36n6a2020-48025
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv https://seer.ufu.br/index.php/biosciencejournal/article/view/48025/30426
dc.rights.driver.fl_str_mv https://creativecommons.org/licenses/by/4.0
info:eu-repo/semantics/openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by/4.0
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.coverage.none.fl_str_mv Brazil; Contemporary
dc.publisher.none.fl_str_mv EDUFU
publisher.none.fl_str_mv EDUFU
dc.source.none.fl_str_mv Bioscience Journal ; Vol. 36 No. 6 (2020): Nov./Dec.; 2165-2171
Bioscience Journal ; v. 36 n. 6 (2020): Nov./Dec.; 2165-2171
1981-3163
reponame:Bioscience journal (Online)
instname:Universidade Federal de Uberlândia (UFU)
instacron:UFU
instname_str Universidade Federal de Uberlândia (UFU)
instacron_str UFU
institution UFU
reponame_str Bioscience journal (Online)
collection Bioscience journal (Online)
repository.name.fl_str_mv Bioscience journal (Online) - Universidade Federal de Uberlândia (UFU)
repository.mail.fl_str_mv biosciencej@ufu.br||
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