Does carcass suspension technique influence reindeer (Rangifer tarandus tarandus) meat quality attributes?
E. Wiklund A B D , G. Finstad A , G. Aguiar A and P. J. Bechtel CA Reindeer Research Program, University of Alaska, Fairbanks, School of Natural Resources and Agricultural Sciences, Fairbanks, AK 99775-7200, USA.
B Svenska Samernas Riksförbund/National Union of the Swedish Sami People, Magasinsgatan 7, 903 27 Umeå, Sweden.
C USDA-ARS, Subarctic Agricultural Research Unit, University of Alaska, Kodiak, AK 99615, USA.
D Corresponding author. Email: wiklundia1@gmail.com
Animal Production Science 52(8) 731-734 https://doi.org/10.1071/AN11269
Submitted: 4 November 2011 Accepted: 3 February 2012 Published: 29 May 2012
Abstract
In total, eight reindeer steers (ages 3–6 years old) were used in the study to evaluate the effects of carcass suspension technique on meat tenderness, colour and water-holding capacity (WHC). Carcasses were split along the spine and sides were randomly allocated to pelvic suspension (hung using a butcher hook through the obturator foramen) or normal Achilles tendon suspension (control treatment). From all 16 carcass halves, meat samples were collected from the loin (M. longissimus), inside (M. semimembranosus) and shoulder (M. triceps brachii) for sensory evaluation and measurements of shear force (tenderness). Loin samples were also evaluated for meat colour at 1 day after slaughter and for purge (WHC) after vacuum-packaged chilled storage (+2°C) for 1, 2 and 3 weeks. No significant effects of carcass suspension technique were found for reindeer meat colour and WHC (purge). Shear force values for loin samples from pelvic-suspended carcasses were significantly (P = 0.001) lower than those from Achilles tendon-suspended carcasses, and there was a similar trend for inside samples, although this was not significant (P = 0.06). There was no effect of carcass suspension technique for shear force values of the shoulder samples. The trained panel judged loin and inside samples from pelvic-suspended carcasses to be more tender (P ≤ 0.001) while no effect of carcass suspension technique on tenderness was found in the shoulder samples. Juiciness was not affected by carcass suspension. The present study demonstrated that pelvic suspension improved tenderness in the most valuable cuts from the reindeer carcass (loin and inside).
Additional keywords: sensory evaluation, venison, tenderness.
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