Heritability and genetic correlations between marbling in longissimus dorsi muscle and conventional economic traits in Nellore beef cattle

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Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorCarrera 15 # 12 N-
Autor(es): dc.contributorUniversidade Federal de Goiás (UFG)-
Autor(es): dc.contributorEmpresa Brasileira de Pesquisa Agropecuária (EMBRAPA)-
Autor(es): dc.contributorUniversidade de São Paulo (USP)-
Autor(es): dc.contributorAssociação Nacional de Criadores E Pesquisadores (ANCP)-
Autor(es): dc.creatorLondoño-Gil, Marisol-
Autor(es): dc.creatorCardona-Cifuentes, Daniel-
Autor(es): dc.creatorRodríguez, Juan Diego-
Autor(es): dc.creatorBrunes, Ludmilla Costa-
Autor(es): dc.creatorMagnabosco, Claudio Ulhoa-
Autor(es): dc.creatorPereira, Angelica Simone Cravo-
Autor(es): dc.creatorPeripolli, Elisa-
Autor(es): dc.creatorLôbo, Raysildo Barbosa-
Autor(es): dc.creatorBaldi, Fernando-
Data de aceite: dc.date.accessioned2025-08-21T18:28:30Z-
Data de disponibilização: dc.date.available2025-08-21T18:28:30Z-
Data de envio: dc.date.issued2023-03-01-
Data de envio: dc.date.issued2023-03-01-
Data de envio: dc.date.issued2022-09-07-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1007/s11250-022-03293-6-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/240767-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/240767-
Descrição: dc.descriptionIn Nellore beef cattle, studies addressing genetic correlations between ultrasound marbling content and other economically important traits are still incipient. Therefore, this work aimed to estimate heritability and genetic correlations between ultrasound marbling content in the longissimus dorsi muscle (MARB) and growth, reproductive, feed efficiency, and carcass-related traits in a Nellore beef cattle population from Brazil. Phenotypic records of 614,395 Nellore animals were used and included adjusted weight at 210 (W210) and 450 (W450) days of age, adult cow weight (AW), early heifer pregnancy (EH), stayability (STAY), adjusted scrotal circumference at 365 days of age (SC365), ribeye area (REA), subcutaneous backfat thickness (BF), rump fat thickness (RF), and marbling (MARB). The genetic parameters for all traits but EH and STAY were estimated considering a linear animal model, whereas for those two nonlinear traits, a threshold animal model was used. The direct and correlated response to selection for MARB versus the other traits, and the relative efficiency of selection, were also calculated. The heritability estimate for MARB was 0.31 and for the other conventional evaluated traits was low to moderate, with values ranging from 0.14 to 0.41. The genetic correlations between MARB and growth, reproductive, feed efficiency, and carcass-related trait were very low, with values close to zero, with similar correlated responses. The MARB displayed adequate genetic variability to respond to selection and crossbreeding programs looking forward to higher meat quality and differential market standards for the Nellore beef. The selection for growth, reproductive, feed efficiency, and carcass-related traits would not affect MARB in Nellore beef cattle and vice versa. Therefore, this trait should be included as a selection criterion in the Nellore breeding program.-
Descrição: dc.descriptionFaculdade de Ciências Agrárias E Veterinárias Universidade Estadual Paulista Júlio de Mesquita Filho, Via de Acesso Prof. Paulo Donato Castellane s/n-
Descrição: dc.descriptionFacultad de ciencias Agroindustriales Universidad del Quindío (Uniquindio) Carrera 15 # 12 N-
Descrição: dc.descriptionDepartment of Animal Science Federal University of Goiás (UFG) GO-
Descrição: dc.descriptionEmbrapa Cerrados, BR-020, 18, Sobradinho, Brasília, DF, CEP 70770-901, Brazil-
Descrição: dc.descriptionFaculdade de Medicina Veterinária E Zootecnia Universidade de São Paulo, Av. Duque de Caxias Norte ,225 Campus Fernando Costa Jardim Elite-
Descrição: dc.descriptionAssociação Nacional de Criadores E Pesquisadores (ANCP), Rua João Godoy-
Descrição: dc.descriptionFaculdade de Ciências Agrárias E Veterinárias Universidade Estadual Paulista Júlio de Mesquita Filho, Via de Acesso Prof. Paulo Donato Castellane s/n-
Formato: dc.format274-
Idioma: dc.languageen-
Relação: dc.relationTropical animal health and production-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectGenetic parameters-
Palavras-chave: dc.subjectGenetic variation-
Palavras-chave: dc.subjectIntramuscular fat content-
Palavras-chave: dc.subjectMeat quality-
Título: dc.titleHeritability and genetic correlations between marbling in longissimus dorsi muscle and conventional economic traits in Nellore beef cattle-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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