Can Genetics be Associated with the High Frequency of Dark, Firm and Dry Meat in Brazilian Nellore Beef Cattle?

A.F. Rosa; R. Ventura; G. Oliveira; B.C. Perez; E.E. Mattos; M.E. Carvalho; M. Bonin; F.M. Rezende; J.P. Eler; J.B.E. Ferraz

Can Genetics be Associated with the High Frequency of Dark, Firm and Dry Meat in Brazilian Nellore Beef Cattle?

In: 63rd International Congress of Meat Science and Technology

Authors:

A.F. Rosa

A.F. Rosa ¹Department of Veterinary Medicine, College of Animal Science and Food Engineering, University of São Paulo, Pirassununga/SP, Brazil

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R. Ventura

R. Ventura ¹Department of Veterinary Medicine, College of Animal Science and Food Engineering, University of São Paulo, Pirassununga/SP, Brazil
²Beef Improvement Opportunities, Guelph, Canada

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G. Oliveira

G. Oliveira ¹Department of Veterinary Medicine, College of Animal Science and Food Engineering, University of São Paulo, Pirassununga/SP, Brazil

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B.C. Perez

B.C. Perez ¹Department of Veterinary Medicine, College of Animal Science and Food Engineering, University of São Paulo, Pirassununga/SP, Brazil

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E.E. Mattos

E.E. Mattos ¹Department of Veterinary Medicine, College of Animal Science and Food Engineering, University of São Paulo, Pirassununga/SP, Brazil

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M.E. Carvalho

M.E. Carvalho ¹Department of Veterinary Medicine, College of Animal Science and Food Engineering, University of São Paulo, Pirassununga/SP, Brazil

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M. Bonin

M. Bonin ³Federal University of Mato Grosso do Sul, Campo Grande/MT, Brazil

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F.M. Rezende

F.M. Rezende ⁴Federal University of Uberlandia, Uberlândia/MG, Brazil; afrosa@usp.br

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J.P. Eler

J.P. Eler ¹Department of Veterinary Medicine, College of Animal Science and Food Engineering, University of São Paulo, Pirassununga/SP, Brazil

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, and

J.B.E. Ferraz

J.B.E. Ferraz ¹Department of Veterinary Medicine, College of Animal Science and Food Engineering, University of São Paulo, Pirassununga/SP, Brazil

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Type:: Chapter

Pages:: 73–74

DOI:: https://doi.org/10.3920/9789086868605_021

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The aim of this work is to investigate if there are genetic components associated with the higher frequency of Dark, firm and dry (DFD) meat in Brazilian Nellore beef cattle. The dataset used for this investigation was comprised of genomic and phenotypic (24h post mortem meat pH) records of 1,642 Nellore animals. For the specific analysis related to the DFD condition, phenotypes were transformed to a binary variable, where pH values ranging between 5.5 and 5.8 were considered ‘not affected’ (zero) and values above 6.0 were considered ‘affected’ (one). Estimates of single-nucleotide polymorphism (SNP) effects suggested possible candidate regions in chromosomes 1, 3, 7, 8, 11, 13 and 23. Our results indicate potential regions containing genes related to pH 24 hours post mortem in Nellore beef cattle.

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63rd International Congress of Meat Science and Technology

Nurturing locally, growing globally

E-Book ISBN:: 9789086868605

Publisher:: Wageningen Academic

Print Publication Date:: 15 Nov 2017

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- Life Sciences

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Can Genetics be Associated with the High Frequency of Dark, Firm and Dry Meat in Brazilian Nellore Beef Cattle?

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63rd International Congress of Meat Science and Technology

Nurturing locally, growing globally

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