不同水平硒对脂多糖应激鸡肉品质的影响

发布时间：2019-03-17 15:15

【摘要】：为了研究在不同水平硒下固始鸡注射脂多糖后产生的免疫应激对鸡肉品质的影响,试验以188只固始鸡快大系为材料,根据日粮中加入的不同硒水平将鸡随机分为A、B、C 3组进行饲养,分别为对照组、0.3 mg/kg硒组、0.6 mg/kg硒组。再分别将各组随机分为两个小组:Z(注射脂多糖),S(注射生理盐水)。35日龄屠宰取样,检测鸡肉肉质指标。结果表明,肉色方面,在对照和两个硒水平上应激组与非应激组的差异均不显著,但以0.6 mg/kg硒水平的肉色最好;在对照组和0.6 mg/kg硒水平处理下应激组的滴水损失显著高于非应激组;剪切值只在0.6 mg/kg硒水平下应激组显著高于非应激组,其他各组差异均不显著。说明注射脂多糖后鸡肉的滴水损失和剪切值显著变大,添加0.3 mg/kg的亚硒酸钠可以一定程度减缓应激带来的对滴水损失和剪切值的负面影响。
[Abstract]:In order to study the effect of immune stress induced by lipopolysaccharide (LPS) injection on chicken quality under different levels of selenium, 188 fast-growing lines of Gushi chickens were randomly divided into A, B, A and B groups according to different selenium levels added in the diet. Control group, 0.3 mg/kg selenium group and 0.6 mg/kg selenium group were fed in C 3 group. Then each group was randomly divided into two groups: Z (injection lipopolysaccharide (), S () injection saline). 35-day-old slaughtered samples were used to detect the meat quality index of chicken. The results showed that there was no significant difference in meat color between the stress group and the non-stress group in the control and two se levels, but the meat color of 0.6 mg/kg se level was the best. The drop water loss of stress group was significantly higher than that of non-stress group under 0.6 mg/kg se level, and the shear value of stress group was significantly higher than that of non-stress group only at 0.6 mg/kg se level, but there was no significant difference among other groups. The results showed that the dropping water loss and shear value of chicken increased significantly after injection of lipopolysaccharide. Sodium selenite supplemented with 0.3 mg/kg could alleviate the negative effect of stress on the drop water loss and shear value to a certain extent.
【作者单位】：河南省商水县动物疫病预防控制中心;
【分类号】：S831.5

【相似文献】