中草药添加剂对肉鸡肠道结构的影响  

Effect of Chinese traditional medicine on intestine structure in broilers

作　　者：贺永康[1] 赵国先[1] 贺发生[2] 王鸥[3] 左小磊 

机构地区：[1]河北农业大学动物科技学院,河北保定071001 [2]河北省农林科学院,河北石家庄050000 [3]河北农业大学食品科技学院,河北保定071001 [4]石家庄畜牧水产局,河北石家庄050000

出　　处：《河北农业大学学报》2010年第2期94-98,共5页Journal of Hebei Agricultural University

基　　金：河北省科技厅资助项目(072204010-9)

摘　　要：为了研究以白头翁、黄芪、黄连、党参、大黄等药材组成的中草药添加剂对肉鸡肠道结构的影响。本试验选用1日龄健康Rose308肉鸡200只,随机分为5组,每组4个重复。Ⅰ组为对照组,饲喂基础日粮;Ⅱ-Ⅴ组为试验组,在基础日粮中分别添加0.5%、1.0%、1.5%、2.0%的中草药添加剂。试验期42 d。结果表明：（1）Ⅱ组、Ⅲ组、Ⅳ组均使得肠黏膜上皮结构完整,层次清晰;（2）Ⅳ组十二指肠和空肠绒毛高度均得到提高,21 d和42 d时较对照组分别提高8.92%（P〈0.05）、9.01%（P〈0.05）和23.04（P〈0.01）、8.52（P〈0.05）;（3）Ⅳ组可降低42 d时十二指肠和空肠隐窝深度,较对照组分别降低6.80%（P〈0.05）和10.28（P〈0.05）;（4）Ⅳ组十二指肠和空肠V/C值均得到提高,21 d和42 d较对照组分别提高12.22%（P〈0.01）、11.58%（P〈0.05）和32.02%（P〈0.01）、15.44%（P〈0.01）;（5）各组肠壁厚度差异不显著（P〉0.05）。结果显示：肉鸡日粮中添加此中草药添加剂可提高小肠绒毛高度,降低隐窝深度,增加V/C值,改善肠道黏膜形态结构,促进肉鸡健康生产,其中1%~1.5%添加量效果较好。This experiment was conducted to study the effect of Chinese traditional medicine on intestine structure in Broilers.200 one-day-old Rose308 broliers were randomly assigned into 5 groups with 4 replications.GroupⅠ was the control that was provided basal diet,groupⅡ to Ⅴwere added 0.5%,1.0%,1.5%,2.0% of medicinal herbs respectively.The results indicate：（1） GroupⅡ,Ⅲ and Ⅳ improved the mucosal structures of small intestine form in different degree.（2）Group Ⅳ significantly increased the duodenal and jejunum villus height,compared with the control that increased by 8.92%（P0.05）,9.01%（P0.05） in 21 d.compared with the control by 23.04（P0.01）and 8.52（P0.05）in 42 d.（3） Group Ⅳ significantly reduced the crypt depth of duodenal and jejunum,compared with the control by6.80%（P0.05）and 10.28（P0.05）in 42 d.（4） Group Ⅳ significantly increased the villous height and crypt depth ratio（V/C）（P0.01） of duodenum and jejunum,compared with the control that increased by 12.22%（P0.01）,11.58%（P0.05）and 32.02%（P0.01）,15.44%（P0.01）in 21 d and 42 d.（5） Each group had no significant effect（P0.05）on intestine wall thickness of duodenum and jejunum.In conclusion,addition of Chinese traditional medicine in diet could increase villus height and V/C,reduce the crypt depth,and improve the morphological structure of intestinal mucosa,and 1%-1.5% addition proved to be the best.

关 键 词：中草药 肉鸡 绒毛高度 隐窝深度 

分 类 号：S816[农业科学—饲料科学]