Journal
MEAT SCIENCE
Volume 90, Issue 2, Pages 309-313Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.meatsci.2011.07.016
Keywords
IGF2; Fat content; Cured ham; Carcass conformation; Pig
Categories
Funding
- Diputacion General de Aragon
- [PET-2007-08-C11-02]
- [AGL-2005-07153-C02-02]
- [AGL2008-01487ALI]
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The different fat infiltration capabilities of two alleles of IGF2 (G3072A) have been investigated in pigs of a Landrace-Large White x Duroc cross. Paternally inherited G allele carrier pigs show an increased content of adipose rich meat cuts such as the lard or the belly and 4 mm larger backfat thickness values. Paternally inherited A carrier pigs on the other hand contain larger muscle tissue rich cuts such as the loin, the ham and the tenderloin and have 0.19 units lower feed conversion index. No substantial differences have been found neither in intramuscular fat content in several muscles nor in meat quality in both pig groups. Hams of paternally inherited G carrier pigs are richer in both subcutaneous adipose tissue (23.1 vs 19.1 mm backfat thickness) and intermuscular fat content. The suitability and the economics of using any of the two of both genotypes for cured ham production are discussed. (C) 2011 Elsevier Ltd. All rights reserved.
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