摘要
为观察苦豆籽粕-两歧双歧杆菌-唾液乳杆菌合生元对早期断奶仔猪不同时期小肠黏膜绒毛长度、隐窝深度和绒腺比的影响,试验选用60头(21±2)日龄体质量相近的杜长大三元杂交断奶仔猪,随机分为4组,每组3个重复,每个重复5头仔猪。试验组在饲喂基础日粮的基础上分别添加0.5%,1.0%,2.0%的合生元,对照组饲喂基础日粮,试验期4周。结果表明,合生元组可显著提高仔猪小肠绒毛的高度,其中2.0%合生元组效果较好;对小肠黏膜隐窝深度方面的差异不显著;饲喂合生元可以提高小肠黏膜绒腺比,其中以0.5%合生元组和2.0%合生元组效果明显。在本试验饲养方式下,苦豆籽粕-两歧双歧杆菌-唾液乳杆菌合生元可以改善肠道黏膜形态结构,尤以2.0%剂量组效果较好,适宜于生产实践。
This study aimed to observe the effects of foxtail-likesophara seed dregs-bifidobacterium bifidum-lactobacillus salivarius synbiotics on the small intestinal villous height, crypt depth and the ratio of small intestinal villous height to crypt depth in different periods of weanling piglets. Sixty （21 ±2）-day-old（Duroc X LandraeeX Yorkshire）weaned piglets with similar weight were randomly divided into four groups with three replicates of five piglets each. Group 1, group 2 and group 3 were fed on the basal diet added 0.5 %, 1.0 % and 2.0 % synbiotics, respectively. Group 4 （control group）was fed the basal diet for 4-weeks. The results showed that in the small intestine mucosa villous length,the synbiotics group was significantly increased, the best in 2 % synbiotics group; the synbiotics has little effect on mucosal crypt depth; feeding synbiotics could obviously elevated villus length-to-crypt depth ratio in intestinal mucosal in 0. 5% and 2. 0% synbiotics groups. Under the rearing methods of the test, the foxtail-likesophara seed dregs-bifidobacterium bifidum-lactobacillus salivarius synbiotics may improve intestinal membrane morphologic struc ture, especially in the 2.0 % dose group.
出处
《中国兽医学报》
CAS
CSCD
北大核心
2014年第2期345-349,共5页
Chinese Journal of Veterinary Science
基金
国家自然科学基金资助项目(31072163)
关键词
合生元
断奶仔猪
肠黏膜形态
synbiotics weanling piglet intestinal mucosal morphology
