发酵桑叶对肥育猪生长性能以及血浆、尿液代谢物的影响

Effects of Fermented Mulberry Leaves on Growth Performance,Plasma and Urine Metabolites of Finishing Pigs

本试验旨在研究饲粮中添加发酵桑叶对肥育猪生长性能以及血浆、尿液代谢物的影响。选取18头体重(78.19±2.05)kg的杜×长×大阉公猪,随机分为2组,每组9个重复,每个重复1头猪。对照组饲喂基础饲粮,发酵桑叶组在基础饲粮中添加10%发酵桑叶。试验期69 d。结果表明:1)与对照组相比,饲粮中添加发酵桑叶对肥育猪生长性能无显著影响(P>0.05)。2)与对照组相比,发酵桑叶组血浆肌酐、尿酸、甘油三酯含量和乳酸脱氢酶活性显著降低(P<0.05),血浆谷草转氨酶活性有降低趋势(P=0.079)。3)与对照组相比,发酵桑叶组尿液肌酐含量显著提高(P<0.05),尿液尿酸含量和乳酸脱氢酶活性显著降低(P<0.05)。4)与对照组相比,发酵桑叶组血浆谷胱甘肽含量显著提高(P<0.05)。5)与对照组相比,发酵桑叶组血浆白细胞介素(IL)-2、IL-6、IL-8、IL-22、肿瘤坏死因子-α、干扰素-γ、免疫球蛋白(Ig)A含量显著提高(P<0.05),血浆IgG和IgM含量有提高趋势(P=0.084和P=0.068)。由此可见,饲粮中添加10%发酵桑叶对肥育猪生长性能无负面影响,改善了血浆和尿液代谢物含量,提高了机体抗氧化能力和免疫功能。

This experiment aimed to investigate the effects of fermented mulberry leaves on growth performance,plasma and urine metabolites of finishing pigs.Eighteen with body weight of(78.19±2.05)kg Duroc×Landrace×Large White barrow pigs were randomly assigned to 2 groups with 9 replicates per group and 1 pig per replicate.Pigs in the control group were fed a basal diet,and pigs in fermented mulberry leaves group were fed the basal diet supplemented with 10%fermented mulberry leaves.The experiment lasted for 69 days.The results showed as follows:1)compared with the control group,dietary fermented mulberry leaves had no significant effect on growth performance of finishing pigs(P>0.05).2)Compared with the control group,the creatinine,uric acid,triglyceride contents and lactate dehydrogenase activity in plasma of fermented mulberry leaves group were significantly decreased(P<0.05),and the plasma glutamic oxaloacetic transaminase activity tended to decrease(P=0.079).3)Compared with the control group,the urine creatinine content of fermented mulberry leaves group was significantly increased(P<0.05),while the uric acid content and lactate dehydrogenase activity in urine were significantly decreased(P<0.05).4)Compared with the control group,the plasma glutathione content of fermented mulberry leaves group was significantly increased(P<0.05).5)Compared with the control group,the contents of interleukin(IL)-2,IL-6,IL-8,IL-22,tumor necrosis factor-α,interferon-γand immunoglobulin(Ig)A in plasma of fermented mulberry leaves group were significantly increased(P<0.05),and the contents of IgG and IgM in plasma tended to increase(P=0.084 and P=0.068).In conclusion,dietary 10%fermented mulberry leaves have no negative effect on the growth performance,while improve the plasma and urine metabolite contents,and enhance the antioxidant capacity and immune function of finishing pigs.