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Descripción
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| Iberian (IB) pigs, a native breed of Spain, have been traditionally reared under free range conditions, fed on grass and acorns, and slaughtered at heavy weights (160 to 180 kg body weight, BW). Currently, to meet the increasing demand for IB products, 80% of IB pigs are reared indoors, fed on concentrates, and slaughtered at 140?C150 kg BW. Originally, males (CM) and females (CF) were castrated, but intact females (IF) might also be used. An increase in slaughter weight (SW) increases intramuscular fat which benefits the production of high quality cured products. However, excessive BW results in overly fat pigs which penalizes the acceptability of the end products. A total of 96 IB dam ¡Á Duroc sire pigs were used to study the influence of gender (coded CM, CF, IF) and SW (145 and 156 kg BW) on meat quality, fatty acid (FA) profile of backfat (BF), and ham weight losses during ripening. There were four pens of four pigs each per treatment. Meat samples were taken from the Longissimus dorsi at the level of the last rib and BF samples were taken at the tail insertion. Ripening of hams lasted for 719 d (19 d for salting, 63 d for postsalting, 28 d for drying, and 609 d for cellar phase). Meat quality (except chroma value), FA profile of BF, and ham weight losses during ripening were not affected by gender or by SW. Chroma (c*) was higher in meat from CF than in meat from CM with meat from IF being intermediate (15.5 vs. 14.9 vs. 13.6; P ¡Ü 0.05). We conclude that based on meat quality and weight losses during the drying process, intact females are a good alternative to castrated females to produce high quality Iberian cured products. Also, Iberian pigs can be slaughtered at either 145 or 156 kg body weight without any loss in meat quality or in ham weight losses during ripening. | |
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Internacional
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Si |
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Nombre congreso
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Joint ADSA-ASAS Annual meeting |
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Tipo de participación
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960 |
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Lugar del congreso
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Indianapolis, Estados Unidos |
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Revisores
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Si |
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ISBN o ISSN
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0021-8812 |
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DOI
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Fecha inicio congreso
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07/07/2008 |
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Fecha fin congreso
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11/07/2008 |
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Desde la página
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319 |
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Hasta la página
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319 |
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Título de las actas
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Journal of Animal Science |