Current state of breast meat quality in standard-yielding broiler strains
SUMMARY: The purpose of this study was to evaluate and compare the state of breast meat quality in the 2 most used standard-yielding broiler chicken strains on today's market: Cobb 500 and Ross 308. To achieve this, chicks from both sexes of both strains (n = 108 per strain and sex) were placed...
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| Format: | Article |
| Language: | English |
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Elsevier
2024-03-01
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| Series: | Journal of Applied Poultry Research |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S1056617123000557 |
| _version_ | 1827368357313118208 |
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| author | C. Hammemi A. Askri M.-P. Létourneau-Montminy N. Alnahhas |
| author_facet | C. Hammemi A. Askri M.-P. Létourneau-Montminy N. Alnahhas |
| author_sort | C. Hammemi |
| collection | DOAJ |
| description | SUMMARY: The purpose of this study was to evaluate and compare the state of breast meat quality in the 2 most used standard-yielding broiler chicken strains on today's market: Cobb 500 and Ross 308. To achieve this, chicks from both sexes of both strains (n = 108 per strain and sex) were placed in a randomized complete block design (4 groups × 4 replicates in 4 blocks) and fed a standard starter, grower, and finisher diet from 1 to 35 d. At 35 d, birds (n = 40/strain/sex) were processed and their yield and breast meat quality were evaluated. The strain-by-sex interaction was not significant for most analyzed traits. Birds from the Cobb 500 strain had higher body weight (P < 0.001), greater breast meat yield (P = 0.02), and lower leg meat yield (P < 0.001) than Ross 308 birds. They also exhibited higher wooden breast score (P = 0.04) and greater drip (P = 0.01) and cooking (P = 0.01) losses. An in vitro glycolysis model revealed that postmortem decline in the pH of the Pectoralis major muscle was influenced by the interaction between strain and age (P < 0.001). At 14 d, the initial pH was higher (P < 0.05) in Cobb 500, but at 33 d it was similar in both strains. At both ages and for both strains, the ultimate pH in this muscle was reached at 3 h postmortem. In conclusion, the choice of strain and sex combinations for broiler production requires a compromise between meat yield and quality. |
| first_indexed | 2024-03-08T09:30:15Z |
| format | Article |
| id | doaj.art-b27f379b12ca4175850ff7c7b51b0e97 |
| institution | Directory Open Access Journal |
| issn | 1056-6171 |
| language | English |
| last_indexed | 2024-03-08T09:30:15Z |
| publishDate | 2024-03-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Journal of Applied Poultry Research |
| spelling | doaj.art-b27f379b12ca4175850ff7c7b51b0e972024-01-31T05:42:40ZengElsevierJournal of Applied Poultry Research1056-61712024-03-01331100383Current state of breast meat quality in standard-yielding broiler strainsC. Hammemi0A. Askri1M.-P. Létourneau-Montminy2N. Alnahhas3Department of Animal Science, Faculty of Agricultural and Food Sciences, Université Laval, Quebec City, Quebec, G1V 0A6, CanadaDepartment of Animal Science, Faculty of Agricultural and Food Sciences, Université Laval, Quebec City, Quebec, G1V 0A6, CanadaDepartment of Animal Science, Faculty of Agricultural and Food Sciences, Université Laval, Quebec City, Quebec, G1V 0A6, CanadaCorresponding author:; Department of Animal Science, Faculty of Agricultural and Food Sciences, Université Laval, Quebec City, Quebec, G1V 0A6, CanadaSUMMARY: The purpose of this study was to evaluate and compare the state of breast meat quality in the 2 most used standard-yielding broiler chicken strains on today's market: Cobb 500 and Ross 308. To achieve this, chicks from both sexes of both strains (n = 108 per strain and sex) were placed in a randomized complete block design (4 groups × 4 replicates in 4 blocks) and fed a standard starter, grower, and finisher diet from 1 to 35 d. At 35 d, birds (n = 40/strain/sex) were processed and their yield and breast meat quality were evaluated. The strain-by-sex interaction was not significant for most analyzed traits. Birds from the Cobb 500 strain had higher body weight (P < 0.001), greater breast meat yield (P = 0.02), and lower leg meat yield (P < 0.001) than Ross 308 birds. They also exhibited higher wooden breast score (P = 0.04) and greater drip (P = 0.01) and cooking (P = 0.01) losses. An in vitro glycolysis model revealed that postmortem decline in the pH of the Pectoralis major muscle was influenced by the interaction between strain and age (P < 0.001). At 14 d, the initial pH was higher (P < 0.05) in Cobb 500, but at 33 d it was similar in both strains. At both ages and for both strains, the ultimate pH in this muscle was reached at 3 h postmortem. In conclusion, the choice of strain and sex combinations for broiler production requires a compromise between meat yield and quality.http://www.sciencedirect.com/science/article/pii/S1056617123000557broiler chickenstandard-yielding strainsbreast meat qualitybreast muscle myopathiespostmortem energy metabolism |
| spellingShingle | C. Hammemi A. Askri M.-P. Létourneau-Montminy N. Alnahhas Current state of breast meat quality in standard-yielding broiler strains Journal of Applied Poultry Research broiler chicken standard-yielding strains breast meat quality breast muscle myopathies postmortem energy metabolism |
| title | Current state of breast meat quality in standard-yielding broiler strains |
| title_full | Current state of breast meat quality in standard-yielding broiler strains |
| title_fullStr | Current state of breast meat quality in standard-yielding broiler strains |
| title_full_unstemmed | Current state of breast meat quality in standard-yielding broiler strains |
| title_short | Current state of breast meat quality in standard-yielding broiler strains |
| title_sort | current state of breast meat quality in standard yielding broiler strains |
| topic | broiler chicken standard-yielding strains breast meat quality breast muscle myopathies postmortem energy metabolism |
| url | http://www.sciencedirect.com/science/article/pii/S1056617123000557 |
| work_keys_str_mv | AT chammemi currentstateofbreastmeatqualityinstandardyieldingbroilerstrains AT aaskri currentstateofbreastmeatqualityinstandardyieldingbroilerstrains AT mpletourneaumontminy currentstateofbreastmeatqualityinstandardyieldingbroilerstrains AT nalnahhas currentstateofbreastmeatqualityinstandardyieldingbroilerstrains |