本试验旨在研究豌豆蛋白粉对1~4周龄高邮鸭生长性能、养分表观消化率、消化器官发育及血清生化指标的影响。试验选用160只1日龄高邮鸭，随机分为4个组，每组4个重复，每个重复10只鸭。对照组（C0组）饲喂玉米-豆粕型基础饲粮，试验组（C1、C2、C3组）分别饲喂以3%、6%、9%的豌豆蛋白粉替代基础饲粮中豆粕的试验饲粮。试验期28 d。结果表明：1）C1、C2、C3组的平均日增重和平均日采食量均显著低于对照组（P<0.05）；C1组的料重比显著高于对照组（P<0.05），C2、C3组的料重比与对照组差异不显著（P>0.05）。2）C1、C2、C3组的粗蛋白质（CP）和总磷（TP）表观消化率与对照组差异不显著（P>0.05），C2组的粗纤维（CF）、粗脂肪（EE）和钙（Ca）表观消化率与对照组差异不显著（P>0.05），C1、C3组的CF、EE和Ca表观消化率均显著低于对照组（P<0.05）。3）豌豆蛋白粉对腺胃、胰腺和十二指肠的相对重量没有显著影响（P>0.05）。C1组的肌胃相对重量显著高于对照组（P<0.05），C2组的空肠和回肠相对重量均显著高于对照组（P<0.05），C2组的十二指肠密度、空肠密度和回肠相对长度均显著高于对照组（P<0.05）。4）豌豆蛋白粉对血清白蛋白（ALB）、葡萄糖（GLU）、低密度脂蛋白胆固醇（LDLC）含量没有显著影响（P>0.05），C3组的血清总蛋白（TP）含量显著高于对照组（P<0.05），C2、C3组的血清尿素氮（UN）含量均显著高于对照组（P<0.05），C1、C2、C3组的血清甘油三酯（TG）含量均显著高于对照组（P<0.05），C1、C3组的血清总胆固醇（TC）、高密度脂蛋白胆固醇（HDLC）含量显著低于对照组（P<0.05）。综上，饲粮中使用豌豆蛋白粉替代豆粕会降低1~4周龄高邮鸭的平均日增重和平均日采食量，但6%豌豆蛋白粉替代豆粕对养分表观消化率没有显著影响，料重比低于对照组，而且有助于小肠器官发育指数提高，影响体内蛋白质和脂肪代谢的变化。建议6%豌豆蛋白粉作为高邮鸭饲粮的推荐使用量。

This experiment was conducted to study the effects of pea gluten meal on growth performance, nutrient apparent digestibility, digestive organs development and serum biochemical indexes of Gaoyou ducks aged from 1 to 4 weeks. A total of 160 one-day-old Gaoyou ducks were randomly divided into 4 groups with 4 replicates per group and 10 ducks per replicate. Ducks in the control group (group C0) were fed a corn-soybean meal basal diet, and the others in the experimental groups (groups C1, C2 and C3) were fed experimental diets which used 3%, 6% and 9% pea gluten meal replaced soybean meal in the basal diet. The experiment lasted for 28 days. The results showed as follows:1) the average daily gain and average daily feed intake in groups C1, C2 and C3 were significantly lower than those in control group (P<0.05); the ratio of feed to gain in group C1 was significantly higher than that in control group (P<0.05), but the ratio of feed to gain in groups C2 and C3 was no significant differences compared with the control group (P>0.05). 2) The apparent digestibilities of crude protein (CP) and total phosphorus (TP) in groups C1, C2 and C3 were no significant differences compared with control group (P>0.05), the apparent digestibilities of crude fiber (CF), ether extract (EE) and calcium (Ca) in group C2 were also no significant differences compared with control group (P>0.05), but the apparent digestibilities of CF, EE and Ca in groups C1 and C3 were significantly lower than those in control group (P<0.05). 3) Pea gluten meal had no significant effects on the relative weight of proventriculus, pancreas and duodenum (P>0.05). The relative weight of gizzard in group C1 was significantly higher than that in control group (P<0.05), the relative weight of jejunum and ileum in group C2 were significantly higher than those in control group (P<0.05). The density of duodenum and jejunum, relative length of ileum in group C2 were significantly higher than those in control group (P<0.05). 4) Pea gluten meal had no significant effects on the contents of albumin (ALB), glucose (GLU) and low density lipoprotein cholesterol (LDLC) in serum (P>0.05). The serum total protein (TP) content in group C3 was significantly higher than that in control group (P<0.05), the serum urea nitrogen (UN) content in groups C1 and C3 was significantly higher than that in control group (P<0.05), the serum triglyceride (TG) content in groups C1, C2 and C3 was significantly higher than that in control group (P<0.05). The contents of total cholesterol (TC) and high density lipoprotein cholesterol (HDLC) in serum in groups C1 and C3 were significantly lower than those in control group (P<0.05). In conclusion, pea gluten meal replaced soybean meal in the diet can reduce the average daily gain and average daily feed intake of Gaoyou ducks aged from 1 to 4 weeks. However, there is no effect on the nutrient apparent digestibility of 6% pea gluten protein meal instead of soybean meal, and the ratio of feed to gain is lower than control group, it is helpful to improve the development index of intestinal organs and affect the metabolism of protein and fat in the serum. So, it is suggested that 6% pea protein powder as application amount in Gaoyou duck diets.