日粮中添加小肽对育肥牦牛生产性能和消化道PepT1 mRNA表达的影响

苗建军,彭忠利,高彦华,柏雪,谢昕廷

Effects of Dietary Small Peptides on Production Performance and Expression of PepT1 mRNA in Digestive Tract of Fattening Yaks

MIAO JianJun,PENG ZhongLi,GAO YanHua,BAI Xue,XIE XinTing

表6 小肽添加水平对育肥牦牛血清生化指标的影响

Table 6 Effects of dietary small peptides levels on serum metabolites of fattening yaks

项目 Items 小肽添加水平Addition levels of small peptide P值 P value 0 0.75% 1.50% 2.25% T L Q 谷丙转氨酶ALT (U/L) 39.88±5.54 35.60±3.14 33.95±1.45 32.37±3.87 0.099 0.013 0.039 谷草转氨酶AST (U/L) 80.45±13.02a 79.50±12.66a 59.00±5.64b 63.05±8.35b 0.024 0.011 0.040 碱性磷酸酶ALP (U/L) 157.23±28.74 138.25±15.03 134.80±21.98 135.48±15.87 0.480 0.192 0.284 总蛋白TP (g·L-1) 70.60±6.95 73.43±1.82 76.10±2.79 75.98±2.87 0.322 0.068 0.165 尿素氮UN (mmol·L-1) 5.15±0.86 5.53±0.61 5.70±0.68 6.44±0.85 0.148 0.022 0.070 葡萄糖GLU (mmol·L-1) 4.63±0.21 4.63±0.18 4.66±0.36 4.86±0.39 0.686 0.294 0.471 胆固醇CHO (mmol·L-1) 2.14±0.37 2.05±0.13 1.92±0.35 1.88±0.14 0.790 0.298 0.587 甘油三酯TG (mmol·L-1) 0.33±0.05 0.33±0.10 0.32±0.03 0.29±0.07 0.763 0.312 0.548