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当前位置: 首页 > 文章 > 吡啶羧酸铬对育成期笼养蛋鸭生长性能和血液生化指标的影响 饲料工业 2013 (13) 47-50
Position: Home > Articles > Effects of dietary chromium picolinate level on growth performance and blood biochemical indices of caged growing laying ducks Feed Industry 2013 (13) 47-50

吡啶羧酸铬对育成期笼养蛋鸭生长性能和血液生化指标的影响

作  者：
田世勋;王安;谭玲芳;李越
单  位：
东北农业大学动物营养研究所
关键词：
铬;育成期蛋鸭;生长性能;血液生化指标
摘  要：
试验旨在研究饲粮铬水平对育成期笼养蛋鸭生长性能、血液生化指标的影响。试验采用单因素完全随机分组设计,选择健康28日龄金定蛋鸭180只,随机分成5组,每组6个重复,每个重复6只鸭。对照组(Ⅰ组)饲喂玉米-豆粕型基础饲粮,试验组(Ⅱ～Ⅴ组)分别在基础饲粮中添加0.15、0.30、0.45、0.60 mg/kg铬(吡啶羧酸铬),试验期6周。结果表明:①在饲粮中添加铬(吡啶羧酸铬)对笼养蛋鸭的日增重影响差异显著(P<0.05),但对采食量和料重比影响差异不显著(P>0.05);②一定量的铬(吡啶羧酸铬)对笼养蛋鸭的血糖、总胆固醇、甘油三酯产生显著影响(P<0.05),并促进了血清总蛋白、白蛋白的提高,同时显著降低了血清尿素氮的含量(P<0.05)。最终通过二次曲线回归方程对添加量和测定指标结果进行回归分析,得出结论:铬(吡啶羧酸铬)在育成期笼养蛋鸭饲粮中最适宜的添加量为0.297 0～0.422 5 mg/kg。
译  名：
Effects of dietary chromium picolinate level on growth performance and blood biochemical indices of caged growing laying ducks
作  者：
Tian Shixun,Wang An,Tan Lingfang,Li Yue
关键词：
chromium;growing laying ducks;growth performance;biochemical indices
摘  要：
The experiment was conducted to study the effects of different levels of chromium on the growth performance and blood biochemical indices of caged growing laying ducks.Using a single factor completely randomized design,a total of 180 Jin-ding laying ducks,28-day-old,were randomly allocated to 5 groups with 6 replicates of 6 each.The laying ducks were fed corn-soybean meal basal diet supplemented with 0,0.15,0.30,0.45 mg/kg and 0.60 mg/kg chro mium as chromium picolinate,respectively.The experimental period lasted for 6 weeks.The re sults showed as follows:①Average daily gain was significantly increased(P<0.05) in caged growing laying ducks fed diet supplemented with chromium as chromium picolinate,but average daily feed intake and feed to gain was insignificantly different from each other(P>0.05).②The contents of serum GLU,TC and TG were reduced significantly(P<0.05) and the contents of se rum TP and ALB were increased significantly with supplemental chromium as chromium pico linate(P<0.05)in caged growing laying ducks.Meanwhile,the contents of serum BUN were also reduced significantly(P<0.05).The results indicated that the optimum adding level of chromi um as chromium picolinate was 0.297 0～0.422 5 mg/kg by fitting a quadratic regression curve.

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