代乳粉添加单宁酸对7—28日龄湖羊羔羊胃肠道发育的影响

郑琛,李发弟,李飞,周巨旺,段鹏伟,刘绘汇,樊海苗,朱威力,刘婷

Effects of Tannic Acid Addition in Milk Replacer on Development of Gastrointestinal Tract of 7 to 28 Days Old Hu Lambs

Chen ZHENG,FaDi LI,Fei LI,JuWang ZHOU,PengWei DUAN,HuiHui LIU,HaiMiao FAN,WeiLi ZHU,Ting LIU

表5 单宁酸对羔羊皱胃和小肠组织形态的影响

Table 5 Effects of tannic acid on abomasum and intestinal tract histomorphology of lambs

项目Item 对照组Control 单宁酸组 Tannic acid SEM P值 P value 皱胃 Abomasum 黏膜厚度 Mucosa thickness (μm) 333.36 343.82 8.54 0.605 肌层厚度 Muscular thickness (μm) 548.48 278.36 52.15 0.810 十二指肠 Duodenum 绒毛高度 Villus height (μm) 361.99 425.00 21.54 0.150 绒毛宽度 Villus width (μm) 80.04a 54.80b 4.43 0.001 隐窝深度 Crypt depth (μm) 148.87 156.30 8.10 0.665 肌层厚度 Muscular thickness (μm) 161.93b 208.41a 10.01 0.013 绒隐比 V / C 2.57 2.76 0.13 0.505 空肠Jejunum 绒毛高度 Villus height (μm) 431.59 378.90 19.85 0.194 绒毛宽度 Villus width (μm) 71.13 64.74 1.79 0.073 隐窝深度 Crypt depth (μm) 173.48 143.65 8.05 0.062 肌层厚度 Muscular thickness (μm) 157.73 146.10 7.41 0.451 绒隐比 V / C 2.59 2.79 0.07 0.154 回肠 Ileum 绒毛高度 Villus height (μm) 373.81 383.77 29.23 0.883 绒毛宽度 Villus width (μm) 68.91 78.12 2.76 0.108 隐窝深度 Crypt depth (μm) 176.96 207.92 11.78 0.228 肌层厚度 Muscular thickness (μm) 274.31 302.91 46.72 0.792 绒隐比 V / C 2.19 1.85 0.12 0.194