Early growth, backfat thickness and body condition has major effect on early heifer pregnancy in Nellore cattle

Detalhes bibliográficos
Autor(a) principal: Brunes, Ludmilla Costa
Data de Publicação: 2022
Outros Autores: Baldi, Fernando S. [UNESP], E Costa, Marcos F. Oliveira, Quintans, Graciela, Banchero, Georgett, Lôbo, Raysildo B., Magnabosco, Claudio U.
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da UNESP
Texto Completo: http://dx.doi.org/10.1590/0001-3765202120191559
http://hdl.handle.net/11449/223271
Resumo: The aim was to evaluate the association between growth, carcass and visual scores traits with precocious calving in Nellore cattle. Birth weight (BW), weight at 120, 210, 365 and 450 days of age, pre and post-weaning average daily gain, rib eye area, backfat thickness (BF), rump fat thickness and visual scores obtained at 18 months were used for the analysis. Records from 700 females born between 2009 and 2015, exposed to mating starting at 11 months of age were analyzed. Discriminant analyzes were performed with the software Statistica. BW and BF showed the highest (P>0.01) discrimination value for early heifer pregnancy (EP). Extreme intrauterine growth retardation can result in slower growth, which reflects in the worst reproductive performance, confirmed by the variation in BW between precocious and conventional heifers. The results also demonstrate that the level of body fat affects begin of puberty. Bone structure, musculature, depth, tail insertion and rump scores presented the highest discrimination value for EP. These traits can be used as selection tools to improve sexual precocity in female Nellore cattle. The results obtained in this study would support farmers to guide the heifer management and decisions in order to enhance the EP.
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spelling Early growth, backfat thickness and body condition has major effect on early heifer pregnancy in Nellore cattleAge at first conceptionCarcass evaluationMultivariate analyzesWeight per-formanceZebuThe aim was to evaluate the association between growth, carcass and visual scores traits with precocious calving in Nellore cattle. Birth weight (BW), weight at 120, 210, 365 and 450 days of age, pre and post-weaning average daily gain, rib eye area, backfat thickness (BF), rump fat thickness and visual scores obtained at 18 months were used for the analysis. Records from 700 females born between 2009 and 2015, exposed to mating starting at 11 months of age were analyzed. Discriminant analyzes were performed with the software Statistica. BW and BF showed the highest (P>0.01) discrimination value for early heifer pregnancy (EP). Extreme intrauterine growth retardation can result in slower growth, which reflects in the worst reproductive performance, confirmed by the variation in BW between precocious and conventional heifers. The results also demonstrate that the level of body fat affects begin of puberty. Bone structure, musculature, depth, tail insertion and rump scores presented the highest discrimination value for EP. These traits can be used as selection tools to improve sexual precocity in female Nellore cattle. The results obtained in this study would support farmers to guide the heifer management and decisions in order to enhance the EP.Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)Empresa Brasileira de Pesquisa AgropecuáriaFundação de Amparo à Pesquisa do Estado de GoiásUniversidade Federal de Goiás Departamento de Produção Animal Rodovia Goiânia, Nova Veneza, Km 8, Campus Samambaia, GOUniversidade Estadual Paulista, Via de Acesso Prof. Paulo Donato Castellane, s/n, Campus Jaboticabal, SPEmbrapa Arroz e Feijão, Rodovia GO-462, Km 12, Fazenda Capivara, Zona Rural, GOInstituto Nacional de Investigación Agropecuária (INIA) Edificio Los Guayabos Parque Tecnológico del LATU, Av. Italia, 6201Associação Nacional de Criadores e Pesquisadores, Rua João Godoy, 463, Jardim América, SPEmbrapa Cerrados, Rodovia BR-020, Km 18, DFUniversidade Estadual Paulista, Via de Acesso Prof. Paulo Donato Castellane, s/n, Campus Jaboticabal, SPUniversidade Federal de Goiás (UFG)Universidade Estadual Paulista (UNESP)Empresa Brasileira de Pesquisa Agropecuária (EMBRAPA)Parque Tecnológico del LATUAssociação Nacional de Criadores e PesquisadoresBrunes, Ludmilla CostaBaldi, Fernando S. [UNESP]E Costa, Marcos F. OliveiraQuintans, GracielaBanchero, GeorgettLôbo, Raysildo B.Magnabosco, Claudio U.2022-04-28T19:49:38Z2022-04-28T19:49:38Z2022-01-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articlehttp://dx.doi.org/10.1590/0001-3765202120191559Anais da Academia Brasileira de Ciencias, v. 94, n. 1, 2022.1678-26900001-3765http://hdl.handle.net/11449/22327110.1590/0001-37652021201915592-s2.0-85122941031Scopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengAnais da Academia Brasileira de Cienciasinfo:eu-repo/semantics/openAccess2022-04-28T19:49:39Zoai:repositorio.unesp.br:11449/223271Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-08-05T16:53:51.679780Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false
dc.title.none.fl_str_mv Early growth, backfat thickness and body condition has major effect on early heifer pregnancy in Nellore cattle
title Early growth, backfat thickness and body condition has major effect on early heifer pregnancy in Nellore cattle
spellingShingle Early growth, backfat thickness and body condition has major effect on early heifer pregnancy in Nellore cattle
Brunes, Ludmilla Costa
Age at first conception
Carcass evaluation
Multivariate analyzes
Weight per-formance
Zebu
title_short Early growth, backfat thickness and body condition has major effect on early heifer pregnancy in Nellore cattle
title_full Early growth, backfat thickness and body condition has major effect on early heifer pregnancy in Nellore cattle
title_fullStr Early growth, backfat thickness and body condition has major effect on early heifer pregnancy in Nellore cattle
title_full_unstemmed Early growth, backfat thickness and body condition has major effect on early heifer pregnancy in Nellore cattle
title_sort Early growth, backfat thickness and body condition has major effect on early heifer pregnancy in Nellore cattle
author Brunes, Ludmilla Costa
author_facet Brunes, Ludmilla Costa
Baldi, Fernando S. [UNESP]
E Costa, Marcos F. Oliveira
Quintans, Graciela
Banchero, Georgett
Lôbo, Raysildo B.
Magnabosco, Claudio U.
author_role author
author2 Baldi, Fernando S. [UNESP]
E Costa, Marcos F. Oliveira
Quintans, Graciela
Banchero, Georgett
Lôbo, Raysildo B.
Magnabosco, Claudio U.
author2_role author
author
author
author
author
author
dc.contributor.none.fl_str_mv Universidade Federal de Goiás (UFG)
Universidade Estadual Paulista (UNESP)
Empresa Brasileira de Pesquisa Agropecuária (EMBRAPA)
Parque Tecnológico del LATU
Associação Nacional de Criadores e Pesquisadores
dc.contributor.author.fl_str_mv Brunes, Ludmilla Costa
Baldi, Fernando S. [UNESP]
E Costa, Marcos F. Oliveira
Quintans, Graciela
Banchero, Georgett
Lôbo, Raysildo B.
Magnabosco, Claudio U.
dc.subject.por.fl_str_mv Age at first conception
Carcass evaluation
Multivariate analyzes
Weight per-formance
Zebu
topic Age at first conception
Carcass evaluation
Multivariate analyzes
Weight per-formance
Zebu
description The aim was to evaluate the association between growth, carcass and visual scores traits with precocious calving in Nellore cattle. Birth weight (BW), weight at 120, 210, 365 and 450 days of age, pre and post-weaning average daily gain, rib eye area, backfat thickness (BF), rump fat thickness and visual scores obtained at 18 months were used for the analysis. Records from 700 females born between 2009 and 2015, exposed to mating starting at 11 months of age were analyzed. Discriminant analyzes were performed with the software Statistica. BW and BF showed the highest (P>0.01) discrimination value for early heifer pregnancy (EP). Extreme intrauterine growth retardation can result in slower growth, which reflects in the worst reproductive performance, confirmed by the variation in BW between precocious and conventional heifers. The results also demonstrate that the level of body fat affects begin of puberty. Bone structure, musculature, depth, tail insertion and rump scores presented the highest discrimination value for EP. These traits can be used as selection tools to improve sexual precocity in female Nellore cattle. The results obtained in this study would support farmers to guide the heifer management and decisions in order to enhance the EP.
publishDate 2022
dc.date.none.fl_str_mv 2022-04-28T19:49:38Z
2022-04-28T19:49:38Z
2022-01-01
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://dx.doi.org/10.1590/0001-3765202120191559
Anais da Academia Brasileira de Ciencias, v. 94, n. 1, 2022.
1678-2690
0001-3765
http://hdl.handle.net/11449/223271
10.1590/0001-3765202120191559
2-s2.0-85122941031
url http://dx.doi.org/10.1590/0001-3765202120191559
http://hdl.handle.net/11449/223271
identifier_str_mv Anais da Academia Brasileira de Ciencias, v. 94, n. 1, 2022.
1678-2690
0001-3765
10.1590/0001-3765202120191559
2-s2.0-85122941031
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv Anais da Academia Brasileira de Ciencias
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.source.none.fl_str_mv Scopus
reponame:Repositório Institucional da UNESP
instname:Universidade Estadual Paulista (UNESP)
instacron:UNESP
instname_str Universidade Estadual Paulista (UNESP)
instacron_str UNESP
institution UNESP
reponame_str Repositório Institucional da UNESP
collection Repositório Institucional da UNESP
repository.name.fl_str_mv Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)
repository.mail.fl_str_mv
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