摘要
为研究高水平代谢有机酸对AA肉鸡生长性能、血液生化指标、肠黏膜形态的影响,试验选取一日龄雄性AA肉鸡192只,随机分为4个处理,每个处理4个重复,每个重复12只鸡,对照组饲喂基础日粮,试验组分别在基础日粮中添0.1%、1%、5%代谢有机酸,试验期28 d。结果表明:1与对照组相比,0.1%代谢有机酸组肉鸡28日龄体重、日增重高于对照组但无显著差异(P>0.05),5%代谢有机酸组肉鸡体重、平均日增重和平均日采食量极显著低于其他三组(P<0.01)。2随代谢有机酸添加水平的提高,肉鸡血清尿酸和葡萄糖含量呈增加趋势,其中5%组肉鸡血清葡萄糖含量较对照组提高13.04%(P<0.05)。30.1%代谢有机酸组肉鸡十二指肠、空肠绒毛高度较对照组分别提高了0.75%、2.01%(P>0.05),5%代谢有机酸组十二指肠绒毛高度极显著低于其他三组(P<0.01),隐窝深度极显著高于其他三组(P<0.01)。日粮中5%水平代谢有机酸明显抑制肉鸡生长;添加有机酸会提高肉鸡血清中尿酸、葡萄糖含量,对小肠吸收功能影响显著。
The experiment was conducted to determine the effects of dietary supplementation of meta- bolic organic acid on growth performance, blood biochemical parameters and intestinal mucosal morphology in AA broilers. Select 192 one-day-old with an average body weight AA broilers, the AA broilers were randomly divided into 4 groups with 4 replicates in each group and 12 AA broilers in each replicate. AA broilers in the control group were fed a basal diet, other groups fed the basal diet supplemented with 0.1%, 1%, 5%metabolic organic acid. The experiment lasted 28 days. The results showed that： ① Compared with the control group, the body weight and average daily gain of 28 days old of the broilers in 0.1% group were higher than the control group with no significance（P〉0.05）, the body weight, average daily gain, average feed intake of 5% group were very significantly lower to the other three groups（P〈0.01）. ②The content of serum uric acid and glucose showed an increased tendency with the increasing dietary supplementation of metabolic organic acid, serum glucose in group 5% was significantly increased by 13.04% to the control group （P〈0.05）. ③Compared with the control group, the villus height of duodenum and jejunum in 0.1% group was increased by 0.75% and 2.01% （P〉0.05）, the villus height of duodenum in 5% group was significantly lower than the other three groups（P〈0.01）, crypt depth was significantly higher than the other three groups（P〈0.01）. In conclusion, dietary supplemented with 5% meta-bolic organic will inhibit broilers growth. Dietary supplemented with metabolic organic acid can improve the content of serum uric acid and glucose, there was significant influence on the intestinal function.
出处
《饲料工业》
北大核心
2016年第18期32-36,共5页
Feed Industry
关键词
代谢有机酸
AA肉鸡
生长性能
血清生化指标
肠黏膜形态
metabolic organic acid
AA broiler
growth performance
serum biochemical parameters
intestinal mucosal morphology
