Journal
MEAT SCIENCE
Volume 60, Issue 1, Pages 85-94Publisher
ELSEVIER SCI LTD
DOI: 10.1016/S0309-1740(01)00110-3
Keywords
red deer; slaughter; stress; venison quality; biochemistry
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To investigate effects of pre-slaughter handling on blood and muscle biochemistry and venison quality, paddock-shot (n = 8) and commercially slaughtered red deer (n = 8) were compared. The deer were kept in two larger groups. One stag per group per day was head-shot, exsanguinated, electrically stimulated then transported 150 m to a deer slaughter premises (DSP) for processing. Prior to each slaughter day one of the groups was mustered into a deer yards and six (including two experimental) deer were selected for commercial handling and processing (including electrical stimulation) at the same DSP. Blood samples taken during exsanguination showed higher levels of cortisol, progesterone, glucose, lactate, albumin, creatine kinase, lactate dehydrogenase, aspartate aminotransferase and packed cell volume in the DSP-killed deer compared with the paddock-shot deer (P < 0.05). Interpretation of these values indicated that pre-slaughter handling created moderate stress and high levels of muscular exertion or damage, possibly related to antagonism during lairage. However muscle glycogen, pH and meat quality measurements showed only minor, muscle-specific differences between treatments. (C) 2001 Elsevier Science Ltd. All rights reserved.
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