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QUALITY OF PECTORALIS MAJOR MUSCLE MEAT OF BROILERS AND TURKEYS BY AFFESTED DEEP PECTORAL MYOPATHY

Grant number: 18/06900-7
Support type:Scholarships in Brazil - Post-Doctorate
Effective date (Start): September 01, 2018
Effective date (End): August 31, 2022
Field of knowledge:Agronomical Sciences - Food Science and Technology - Food Technology
Principal researcher:Marco Antonio Trindade
Grantee:Aline Giampietro Ganeco
Home Institution: Faculdade de Zootecnia e Engenharia de Alimentos (FZEA). Universidade de São Paulo (USP). Pirassununga , SP, Brazil
Associated scholarship(s):19/09707-6 - Meat quality and muscle myopathies of broilers in multiple market segments, BE.EP.PD

Abstract

The Brazilian production of broilers developed in a complex economic sector aimed at maximum production of meat with the lowest cost and the creation of turkeys is evolving gradually and has become highly specialized. The growth performance has contributed to injuries in the carcasses of birds, such as Deep Pectoral Myopathy, which is considered a serious problem in poultry slaughtering lines. The aim of this study is to characterize the breast meat from broilers and turkeys affected by different degrees of severity of myopathy deep pectoral, as well to evaluate the influence of these myopathies on meat quality, so that the purchase intention by the consumer may be influenced. Will be used Pectoralis major samples from birds with different, reared and slaughtered in southeastern Brazil. Will be used Pectoralis major samples from broilers and turkeys, affected by deep pectoral in different severity degrees. Also will be used Pectoralis major samples remaining from carcasses of broilers and turkeys, affected by deep pectoral myopathy, and that have been released for human consumption by the Federal Inspection Service. Will be evaluated color, pH, water holding capacity, cooking weight loss, shear force, lipid oxidation, sarcomere length, collagen, chemical composition, cholesterol and fatty acid profile evaluation. To evaluate the quality of each studied species of poultry (chicken and turkey) will be used a completely randomized design (CRD) in a 2x3 factorial (two lines and three degrees of severity of myopathy by category) according to the study incidence of lesions. The results will be submitted to analysis of variance and the means compared by Tukey test with significance set at p <0.05.

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
GIAMPIETRO-GANECO, ALINE; OWENS, CASEY M.; BORBA, HIRASILVA; MELLO, JULIANA LOLLI MALAGOLI DE; SOUZA, RODRIGO ALVES DE; FERRARI, FABIO BORBA; CAVALCANTI, ERIKA NAYARA; OLIVEIRA, RODRIGO FORTUNATO DE; CARVALHO, LARISSA TATERO; SUN, XIAO; TRINDADE, MARCO ANTONIO. Impact of deep pectoral myopathy on chemical composition and quality parameters of chicken breast fillet. POULTRY SCIENCE, v. 100, n. 9 SEP 2021. Web of Science Citations: 0.

Please report errors in scientific publications list by writing to: cdi@fapesp.br.