首页> 外文会议>ICoMST 2011;International conference of meat science and technology >Effect of diet and pre-slaughter stress of beef cattle on biochemical profile and physicochemical parameters
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Effect of diet and pre-slaughter stress of beef cattle on biochemical profile and physicochemical parameters

机译:肉牛日粮和屠宰前应激对其生化特性和理化参数的影响

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Diet and pre slaughter stress seem to be related to the post mortem glycolysis and pH-T curve, with possible implications to meat quality. Forty animals from Angus breed were assigned to two different finishing diets -60 days-: grain diet and pasture diet. At slaughterhouse, both groups were divided into two subgroups: low stress and traditional stress. Diet impacted on serum insulin levels, adipose tissue color -L* and b*- and pH/T conditions of LD muscle. The level of stress treatment impacted on plasma glucose and lactic acid levels, adipose tissue redness and the rate of muscle anaerobic glycolysis, observed in the pH-T curve. Blood hematocrit showed an interaction of both effects. WHC of LD was not affected neither by diet nor by stress treatments.
机译:饮食和屠宰前的压力似乎与验尸后的糖酵解和pH-T曲线有关,可能对肉品质有影响。将来自安格斯(Angus)品种的40只动物分配到-60天-两种不同的最终日粮:谷物日粮和牧草日粮。在屠宰场,两组都分为两个子组:低压力和传统压力。饮食影响血清胰岛素水平,脂肪组织颜色-L *和b *-以及LD肌肉的pH / T状况。在pH-T曲线中观察到,压力处理的水平会影响血浆葡萄糖和乳酸水平,脂肪组织发红以及肌肉厌氧糖酵解的速率。血细胞比容显示出两种作用的相互作用。 LD的WHC不受饮食和压力治疗的影响。

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