Association of visual scores with reproductive traits in Nelore cattle using Bayesian Inference

Detalhes bibliográficos
Autor(a) principal: Bueno Soares, Byanka
Data de Publicação: 2023
Outros Autores: Costa Brunes, Ludmilla, Sebastian Baldi, Fernando, Santana do Carmo, Adriana, Gonçalves Narciso, Marcelo, Sanches Magnabosco, Valentina, Daniel Sainz, Roberto, Ulhoa Magnabosco, Cláudio
Tipo de documento: Artigo
Idioma: por
eng
Título da fonte: Ciência animal brasileira (Online)
Texto Completo: https://revistas.ufg.br/vet/article/view/75081
Resumo: The use of morphological traits assessed using visual scores as indirect selection criteria in cattle has the advantage of evaluating young animals regarding potential productive and reproductive performance. This enables breeders to make earlier decisions compared to later measurements, such as scrotal circumference at 450 days (SC450) and stayability (STAY). The aim of this study was to estimate the genetic parameters for visual score traits and their associations with reproductive traits: scrotal circumference at 365 days of age (SC365), SC450, STAY, probability of precocious calving (PPC30) and age at first calving (AFC) in Nellore cattle. Visual score data from 4,175 Nellore cattle, with an average age of 22 months, and reproductive data from 3,075 cattle belonging to the HoRa Genetics Provada herd were used. The morphological traits were evaluated by the MERCOS methodology. The heritability estimates obtained ranged from 0.15 to 0.28 for visual scores and 0.10 to 0.54 for reproductive traits. Genetic correlations between visual scores and reproductive traits were generally low, except between: muscularity and PPC30; structure and STAY; racial and SC450; conformation and SC365, SC450, STAY, and AFC; navel and STAY and AFC; and sacrum and SC365, STAY, and AFC, which were moderate to high. The identification of animals with flat sacral bone (not protruding or sloping) can also be an efficient characteristic in the identification for early pregnancy, and together with the musculature score, they can be related to animals with lower age at the first calving. Keywords: beef cattle; genetic association; morphological traits; sexual precocity; stayability.
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spelling Association of visual scores with reproductive traits in Nelore cattle using Bayesian InferenceAssociação de escores visuais com características reprodutivas em bovinos Nelore utilizando Inferência BayesianaThe use of morphological traits assessed using visual scores as indirect selection criteria in cattle has the advantage of evaluating young animals regarding potential productive and reproductive performance. This enables breeders to make earlier decisions compared to later measurements, such as scrotal circumference at 450 days (SC450) and stayability (STAY). The aim of this study was to estimate the genetic parameters for visual score traits and their associations with reproductive traits: scrotal circumference at 365 days of age (SC365), SC450, STAY, probability of precocious calving (PPC30) and age at first calving (AFC) in Nellore cattle. Visual score data from 4,175 Nellore cattle, with an average age of 22 months, and reproductive data from 3,075 cattle belonging to the HoRa Genetics Provada herd were used. The morphological traits were evaluated by the MERCOS methodology. The heritability estimates obtained ranged from 0.15 to 0.28 for visual scores and 0.10 to 0.54 for reproductive traits. Genetic correlations between visual scores and reproductive traits were generally low, except between: muscularity and PPC30; structure and STAY; racial and SC450; conformation and SC365, SC450, STAY, and AFC; navel and STAY and AFC; and sacrum and SC365, STAY, and AFC, which were moderate to high. The identification of animals with flat sacral bone (not protruding or sloping) can also be an efficient characteristic in the identification for early pregnancy, and together with the musculature score, they can be related to animals with lower age at the first calving. Keywords: beef cattle; genetic association; morphological traits; sexual precocity; stayability.A utilização de características morfológicas de bovinos, pelo uso de escores visuais como critério de seleção indireta tem como vantagem a avaliação em animais jovens quanto ao potencial desempenho produtivo e reprodutivo, antecipando a tomada de decisão em comparação a medidas tomadas de forma tardia, como perímetro escrotal aos 450 dias (PE450) e stayability (STAY). Objetivou-se estimar os parâmetros genéticos para características de escores visuais e a associação dessas com características reprodutivas, perímetro escrotal aos 365 (PE365) dias de idade, PE450, STAY, probabilidade de parto precoce (3P) e idade ao primeiro parto (IPP) em bovinos Nelore. Foram utilizadas informações de escores visuais e de reprodução de 4.175 e 3.075 bovinos, respectivamente, com idade média de 22 meses, pertencentes a fazenda HoRa Genética Provada. As características morfológicas foram avaliadas pela metodologia MERCOS. As estimativas de herdabilidade obtidas apresentam grande amplitude, variando de 0,15 a 0,28 para escores visuais e 0,10 a 0,54 para características reprodutivas. As correlações genéticas entre característica de escores visuais e reprodução foram, de maneira geral baixas (0.03-0.66), com exceção entre a musculosidade e 3P, estrutura e STAY, racial e PE450, conformação com PE365, PE450, STAY e IPP, ônfalo com STAY e IPP, e sacro com PE365, STAY e IPP, que foram moderadas a altas. A identificação de animais com melhor osso sacro (mesmo nível das ancas), ou seja, não saliente ou inclinado pode ser uma característica eficiente na identificação para prenhez precoce, e juntamente ao escore de musculatura poderão ser relacionados a animais com menor idade ao primeiro parto. Palavras-chave: associação genética; características morfológicas; precocidade sexual; stayability; zebuínos.Universidade Federal de Goiás2023-03-24info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfapplication/pdfhttps://revistas.ufg.br/vet/article/view/75081Brazilian Animal Science/ Ciência Animal Brasileira; Vol. 24 (2023): Continuous publicationCiência Animal Brasileira / Brazilian Animal Science; v. 24 (2023): Publicação contínua1809-68911518-2797reponame:Ciência animal brasileira (Online)instname:Universidade Federal de Goiás (UFG)instacron:UFGporenghttps://revistas.ufg.br/vet/article/view/75081/39623https://revistas.ufg.br/vet/article/view/75081/40073https://revistas.ufg.br/vet/article/view/75081/39624https://revistas.ufg.br/vet/article/view/75081/40074Copyright (c) 2023 Ciência Animal Brasileira / Brazilian Animal Sciencehttp://creativecommons.org/licenses/by/4.0info:eu-repo/semantics/openAccessBueno Soares, ByankaCosta Brunes, LudmillaSebastian Baldi, FernandoSantana do Carmo, AdrianaGonçalves Narciso, MarceloSanches Magnabosco, ValentinaDaniel Sainz, RobertoUlhoa Magnabosco, Cláudio2023-08-24T18:50:54Zoai:ojs.revistas.ufg.br:article/75081Revistahttps://revistas.ufg.br/vetPUBhttps://revistas.ufg.br/vet/oai||revistacab@gmail.com1809-68911518-2797opendoar:2024-05-21T19:56:35.424479Ciência animal brasileira (Online) - Universidade Federal de Goiás (UFG)true
dc.title.none.fl_str_mv Association of visual scores with reproductive traits in Nelore cattle using Bayesian Inference
Associação de escores visuais com características reprodutivas em bovinos Nelore utilizando Inferência Bayesiana
title Association of visual scores with reproductive traits in Nelore cattle using Bayesian Inference
spellingShingle Association of visual scores with reproductive traits in Nelore cattle using Bayesian Inference
Bueno Soares, Byanka
title_short Association of visual scores with reproductive traits in Nelore cattle using Bayesian Inference
title_full Association of visual scores with reproductive traits in Nelore cattle using Bayesian Inference
title_fullStr Association of visual scores with reproductive traits in Nelore cattle using Bayesian Inference
title_full_unstemmed Association of visual scores with reproductive traits in Nelore cattle using Bayesian Inference
title_sort Association of visual scores with reproductive traits in Nelore cattle using Bayesian Inference
author Bueno Soares, Byanka
author_facet Bueno Soares, Byanka
Costa Brunes, Ludmilla
Sebastian Baldi, Fernando
Santana do Carmo, Adriana
Gonçalves Narciso, Marcelo
Sanches Magnabosco, Valentina
Daniel Sainz, Roberto
Ulhoa Magnabosco, Cláudio
author_role author
author2 Costa Brunes, Ludmilla
Sebastian Baldi, Fernando
Santana do Carmo, Adriana
Gonçalves Narciso, Marcelo
Sanches Magnabosco, Valentina
Daniel Sainz, Roberto
Ulhoa Magnabosco, Cláudio
author2_role author
author
author
author
author
author
author
dc.contributor.author.fl_str_mv Bueno Soares, Byanka
Costa Brunes, Ludmilla
Sebastian Baldi, Fernando
Santana do Carmo, Adriana
Gonçalves Narciso, Marcelo
Sanches Magnabosco, Valentina
Daniel Sainz, Roberto
Ulhoa Magnabosco, Cláudio
description The use of morphological traits assessed using visual scores as indirect selection criteria in cattle has the advantage of evaluating young animals regarding potential productive and reproductive performance. This enables breeders to make earlier decisions compared to later measurements, such as scrotal circumference at 450 days (SC450) and stayability (STAY). The aim of this study was to estimate the genetic parameters for visual score traits and their associations with reproductive traits: scrotal circumference at 365 days of age (SC365), SC450, STAY, probability of precocious calving (PPC30) and age at first calving (AFC) in Nellore cattle. Visual score data from 4,175 Nellore cattle, with an average age of 22 months, and reproductive data from 3,075 cattle belonging to the HoRa Genetics Provada herd were used. The morphological traits were evaluated by the MERCOS methodology. The heritability estimates obtained ranged from 0.15 to 0.28 for visual scores and 0.10 to 0.54 for reproductive traits. Genetic correlations between visual scores and reproductive traits were generally low, except between: muscularity and PPC30; structure and STAY; racial and SC450; conformation and SC365, SC450, STAY, and AFC; navel and STAY and AFC; and sacrum and SC365, STAY, and AFC, which were moderate to high. The identification of animals with flat sacral bone (not protruding or sloping) can also be an efficient characteristic in the identification for early pregnancy, and together with the musculature score, they can be related to animals with lower age at the first calving. Keywords: beef cattle; genetic association; morphological traits; sexual precocity; stayability.
publishDate 2023
dc.date.none.fl_str_mv 2023-03-24
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://revistas.ufg.br/vet/article/view/75081
url https://revistas.ufg.br/vet/article/view/75081
dc.language.iso.fl_str_mv por
eng
language por
eng
dc.relation.none.fl_str_mv https://revistas.ufg.br/vet/article/view/75081/39623
https://revistas.ufg.br/vet/article/view/75081/40073
https://revistas.ufg.br/vet/article/view/75081/39624
https://revistas.ufg.br/vet/article/view/75081/40074
dc.rights.driver.fl_str_mv Copyright (c) 2023 Ciência Animal Brasileira / Brazilian Animal Science
http://creativecommons.org/licenses/by/4.0
info:eu-repo/semantics/openAccess
rights_invalid_str_mv Copyright (c) 2023 Ciência Animal Brasileira / Brazilian Animal Science
http://creativecommons.org/licenses/by/4.0
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
application/pdf
dc.publisher.none.fl_str_mv Universidade Federal de Goiás
publisher.none.fl_str_mv Universidade Federal de Goiás
dc.source.none.fl_str_mv Brazilian Animal Science/ Ciência Animal Brasileira; Vol. 24 (2023): Continuous publication
Ciência Animal Brasileira / Brazilian Animal Science; v. 24 (2023): Publicação contínua
1809-6891
1518-2797
reponame:Ciência animal brasileira (Online)
instname:Universidade Federal de Goiás (UFG)
instacron:UFG
instname_str Universidade Federal de Goiás (UFG)
instacron_str UFG
institution UFG
reponame_str Ciência animal brasileira (Online)
collection Ciência animal brasileira (Online)
repository.name.fl_str_mv Ciência animal brasileira (Online) - Universidade Federal de Goiás (UFG)
repository.mail.fl_str_mv ||revistacab@gmail.com
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