Correlations among various blood parameters at exsanguination and their relationships to pork quality traits

被引:12
作者
Choe, J. H. [1 ,2 ]
Choi, M. H. [1 ]
Ryu, Y. C. [3 ]
Lim, K. S. [2 ,4 ]
Lee, E. A. [4 ]
Kang, J. H. [4 ]
Hong, K. C. [4 ]
Lee, S. K. [5 ]
Kim, Y. T. [6 ]
Moon, S. S. [6 ]
Lee, K. W. [1 ]
Rhee, M. S. [1 ]
Kim, B. C. [1 ]
机构
[1] Korea Univ, Dept Food Biosci & Technol, Coll Life Sci & Biotechnol, Seoul 136701, South Korea
[2] Korea Univ, Inst Life Sci & Nat Resources, Seoul 136701, South Korea
[3] Jeju Natl Univ, Coll Appl Life Sci, Jeju Si 690756, Jeju Do, South Korea
[4] Korea Univ, Div Biotechnol, Coll Life Sci & Biotechnol, Seoul 136701, South Korea
[5] Kangwon Natl Univ, Dept Anim Prod & Food Sci, Chuncheon Si 200701, Gangwon Do, South Korea
[6] Sunjin Co Ltd, Sunjin Meat Res Ctr, Seoul 134060, South Korea
关键词
FIBER-TYPE COMPOSITION; MEAT QUALITY; PRE-SLAUGHTER; ANIMAL-WELFARE; PRESLAUGHTER STRESS; PIGS; MUSCLE; TRANSPORT; CORTISOL; CARCASS;
D O I
10.1071/AN13424
中图分类号
S8 [畜牧、 动物医学、狩猎、蚕、蜂];
学科分类号
0905 ;
摘要
The objectives of this study were to investigate the correlations between various blood parameters compared with cortisol and lactate levels under the standard pre-slaughter procedure and handling conditions and to assess their potential as indicators of pork quality traits. Despite there being no additional pre-slaughter stress treatment, there is considerable variation in blood parameters at exsanguination. Serum cortisol and blood lactate levels, widely used indicators of stress, were positively correlated with blood glucose and electrolytes, such as calcium, potassium and sodium. Moreover, these parameters were significantly correlated with a rapid rate of early postmortem glycolysis and reduced water-holding capacity. In particular, blood lactate and glucose levels significantly differed between porcine quality classes. However, other blood parameters including electrolytes did not significantly differ between quality classes though they significantly correlated with pork quality traits. Therefore, serum cortisol, blood lactate and glucose have potential as indicators of the rate and extent of postmortem metabolism and ultimate pork quality under the standard procedure and handling conditions of pre-slaughter.
引用
收藏
页码:672 / 679
页数:8
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