Differences in Muscle Lipogenic Gene Expression, Carcass Traits and Fat Deposition among Three Iberian Pig Strains Finished in Two Different Feeding Systems
15 Pág.
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| Language: | Spanish / Castilian |
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Multidisciplinary Digital Publishing Institute
2023-03-23
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| Subjects: | Iberian pig strains, Carcass traits, Fatty acid composition, Free-range systems, Gene expression, Lipid metabolism, |
| Online Access: | http://hdl.handle.net/10261/311756 http://dx.doi.org/10.13039/501100014181 http://dx.doi.org/10.13039/501100000780 https://api.elsevier.com/content/abstract/scopus_id/85152581931 |
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dig-inia-es-10261-3117562024-05-16T20:40:14Z Differences in Muscle Lipogenic Gene Expression, Carcass Traits and Fat Deposition among Three Iberian Pig Strains Finished in Two Different Feeding Systems Garrido, Nicolás Izquierdo, Mercedes Hernández-García, Francisco I. Núñez, Yolanda García-Torres, Susana Benítez Yáñez, Rita María Padilla, José A. Óvilo Martín, Cristina Junta de Extremadura European Commission Garrido, Nicolás [0000-0002-0401-478X] Izquierdo, Mercedes [0000-0003-4307-8804] Núñez, Yolanda [0000-0001-5988-7628] García-Torres, Susana [0000-0002-9912-2280] Benítez, Rita [0000-0001-7459-2836] Óvilo Martín, Cristina [0000-0002-5738-8435] Iberian pig strains Carcass traits Fatty acid composition Free-range systems Gene expression Lipid metabolism 15 Pág. The Iberian pig breed includes several well-differentiated strains. The present study evaluated carcass traits, fat deposition and muscle expression of important lipogenic genes (SCD, ME1, ACACA, FASN, EGR1, ACOX and ACLY) using 65 male pigs of 3 Iberian strains (20 Lampiño, 23 Torbiscal, and 22 Retinto) finished either in a conventional, concentrate-based system (CF) or in montanera (MF), a traditional free-range system with acorn feeding. Torbiscal had the highest ham, Longissimus thoracis and prime cuts yields, and the thinnest subcutaneous adipose tissue (SAT). Retinto had the highest monounsaturated fatty acids (MUFA) and percentage of intramuscular fat (IMF), while Lampiño had the greatest content of saturated fatty acids (SFA), polyunsaturated fatty acids (PUFA), atherogenic (AI) and thrombogenic (TI) indexes in SAT. Conventionally finished pigs had the highest ham, L. thoracis and prime cuts yields, and SFA. Montanera-finished animals had the highest PUFA and MUFA contents, and the lowest AI, TI and n6/n3 ratio in SAT. In relation to gene expression, Retinto had the greatest SCD, FASN and ACLY levels. Most studied genes were overexpressed in CF pigs. In conclusion, MF pigs had healthier fat than CF pigs, and Retinto had the healthiest fat and the greatest lipogenic trend in muscle, supported by IMF and lipogenic gene expression. This research was funded by Junta de Extremadura (ESTRIBER project), cofounded by FEDER. Peer reviewed 2023-06-16T16:28:43Z 2023-06-16T16:28:43Z 2023-03-23 artículo http://purl.org/coar/resource_type/c_6501 Animals 13(7): e1138 (2023) 2076-2615 http://hdl.handle.net/10261/311756 10.3390/ani13071138 http://dx.doi.org/10.13039/501100014181 http://dx.doi.org/10.13039/501100000780 37048394 2-s2.0-85152581931 https://api.elsevier.com/content/abstract/scopus_id/85152581931 es #PLACEHOLDER_PARENT_METADATA_VALUE# info:eu-repo/grantAgreement/EC//ESTRIBER Departamento de Mejora Genética Animal Publisher's version https://doi.org/10.3390/ani13071138 Sí open application/pdf Multidisciplinary Digital Publishing Institute |
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Iberian pig strains Carcass traits Fatty acid composition Free-range systems Gene expression Lipid metabolism Iberian pig strains Carcass traits Fatty acid composition Free-range systems Gene expression Lipid metabolism |
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Iberian pig strains Carcass traits Fatty acid composition Free-range systems Gene expression Lipid metabolism Iberian pig strains Carcass traits Fatty acid composition Free-range systems Gene expression Lipid metabolism Garrido, Nicolás Izquierdo, Mercedes Hernández-García, Francisco I. Núñez, Yolanda García-Torres, Susana Benítez Yáñez, Rita María Padilla, José A. Óvilo Martín, Cristina Differences in Muscle Lipogenic Gene Expression, Carcass Traits and Fat Deposition among Three Iberian Pig Strains Finished in Two Different Feeding Systems |
| description |
15 Pág. |
| author2 |
Junta de Extremadura |
| author_facet |
Junta de Extremadura Garrido, Nicolás Izquierdo, Mercedes Hernández-García, Francisco I. Núñez, Yolanda García-Torres, Susana Benítez Yáñez, Rita María Padilla, José A. Óvilo Martín, Cristina |
| format |
artículo |
| topic_facet |
Iberian pig strains Carcass traits Fatty acid composition Free-range systems Gene expression Lipid metabolism |
| author |
Garrido, Nicolás Izquierdo, Mercedes Hernández-García, Francisco I. Núñez, Yolanda García-Torres, Susana Benítez Yáñez, Rita María Padilla, José A. Óvilo Martín, Cristina |
| author_sort |
Garrido, Nicolás |
| title |
Differences in Muscle Lipogenic Gene Expression, Carcass Traits and Fat Deposition among Three Iberian Pig Strains Finished in Two Different Feeding Systems |
| title_short |
Differences in Muscle Lipogenic Gene Expression, Carcass Traits and Fat Deposition among Three Iberian Pig Strains Finished in Two Different Feeding Systems |
| title_full |
Differences in Muscle Lipogenic Gene Expression, Carcass Traits and Fat Deposition among Three Iberian Pig Strains Finished in Two Different Feeding Systems |
| title_fullStr |
Differences in Muscle Lipogenic Gene Expression, Carcass Traits and Fat Deposition among Three Iberian Pig Strains Finished in Two Different Feeding Systems |
| title_full_unstemmed |
Differences in Muscle Lipogenic Gene Expression, Carcass Traits and Fat Deposition among Three Iberian Pig Strains Finished in Two Different Feeding Systems |
| title_sort |
differences in muscle lipogenic gene expression, carcass traits and fat deposition among three iberian pig strains finished in two different feeding systems |
| publisher |
Multidisciplinary Digital Publishing Institute |
| publishDate |
2023-03-23 |
| url |
http://hdl.handle.net/10261/311756 http://dx.doi.org/10.13039/501100014181 http://dx.doi.org/10.13039/501100000780 https://api.elsevier.com/content/abstract/scopus_id/85152581931 |
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