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Influence of carcas...
Influence of carcass suspension on meat quality of Charolais heifers from two sustainable feeding regimes
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- Lundesjö Ahnström, Maria (author)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för livsmedelsvetenskap,Department of Food Science
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- Hessle, Anna (author)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för husdjurens miljö och hälsa (HMH),Department of Animal Environment and Health
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- Lundström, Kerstin (author)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för livsmedelsvetenskap,Department of Food Science
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(creator_code:org_t)
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- 2009
- 2009
- English.
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In: Animal. - 1751-7311 .- 1751-732X. ; 3, s. 906-913
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https://res.slu.se/i...
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https://doi.org/10.1...
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Abstract
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- This study investigated the effects of pelvic suspension on the meat quality of M. longissimus dorsi, M. semimembranosus and M. adductor from 35 heifers with at least 75% Charolais breeding. Two-thirds of the heifers were slaughtered directly from pasture at 18 months of age and one-third was finished indoors and slaughtered at 22 months. After slaughter and electrical stimulation one side of each carcass was re-suspended by either the achilles tendon or the pelvic bone. Longissimus muscles were aged 7 or 14 days and were then evaluated for drip loss, colour, shear force and sensory analysis. As compared to 18-month-old heifers, 22-month-old heifers were heavier, more muscular and fatter (P < 0.05). Intramuscular fat content increased with slaughter age (P < 0.003). Pelvic suspension reduced longissimus peak force values, total energy, pH and thawing losses (P < 0.05) in heifers slaughtered at 18 months. Semimembranosus showed the largest response to pelvic suspension with significantly lower peak force and total energy values. Finishing for 4 months did not affect longissimus shear forces. Achilles-suspended samples had lower shear force values after 14 v. 7 days of ageing. Pelvic-suspended samples aged 7 days were, however, just as tender as those aged 14 days. Sensory analysis of longissimus samples aged 14 days showed that samples from pelvic-suspended sides had higher tenderness, lower bite resistance, more meaty taste and less visible marbling compared with samples from achilles-suspended carcasses.
Subject headings
- LANTBRUKSVETENSKAPER -- Veterinärmedicin (hsv//swe)
- AGRICULTURAL SCIENCES -- Veterinary Science (hsv//eng)
- LANTBRUKSVETENSKAPER -- Husdjursvetenskap (hsv//swe)
- AGRICULTURAL SCIENCES -- Animal and Dairy Sience (hsv//eng)
Publication and Content Type
- ref (subject category)
- art (subject category)
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