动物营养学报Issue(10)：3218-3224,7.DOI:10.3969/j.issn.1006-267x.2015.10.029
葡萄糖氧化酶对仔猪生长性能、养分消化率及肠道微生物和形态结构的影响
Effects of Glucose Oxidase on Growth Performance, Nutrient Digestibility, and Intestinal Microflora and Morphology of Weaned Piglets
摘要
Abstract
This experiment was conducted to study the effects of glucose oxidase ( GOD) on growth perform-ance, nutrient digestibility, and intestinal microflora and morphology of the weaned piglets. Three hundred three-line crossbred (Duroc×Landrace×Yorkshire) weaned piglets weighted (8.71±0.13) kg were randomly divided into 3 groups, with each group represented by 5 replicates of 20 piglets per replicate. Test groupⅠwas fed a basal diet as control group, test group Ⅱ was fed the basal diet supplemented with 0.1% of chlortetracy-cline, test groupⅢwas fed the basal diet supplemented with 200 g/t of GOD. The trial lasted for 28 days. The results showed as follows: compared with the test group Ⅰ, the average daily gain ( ADG) of the test groupsⅡ and Ⅲ was significantly increased (P<0.05). Diet digestibility of dry matter and crude protein of test groups Ⅱ and Ⅲ was significantly higher ( P<0.05) . The pH of stomach and duodenal of test groups Ⅱ andⅢ was decreased significantly ( P<0.05) . The duodenal villus height and ratio of villus height to crypt depth of test group Ⅲ were significantly increased ( P<0. 05 ) . The number of E. coli of stomach and ileum of test groups ⅡandⅢwas significantly reduced ( P<0.05) , and the number of lactic acid bacteria was significantly increased ( P<0.05) , but the cecum was not significantly different among groups ( P>0.05) . The experiment indicates that the diet supplemented with 200 g/t GOD can reduce the pH and number of E. coli of stomach and duodenum of piglets, increase number of lactic acid bacteria of stomach and duodenum, and improve duodenal villus height and digestibility of dry matter and crude protein, thereby increase the growth performance of pig-lets.关键词
葡萄糖氧化酶/断奶仔猪/生长性能/养分消化率/肠道形态结构Key words
glucose oxidase/weaned piglets/growth performance/nutrient digestibility/intestinal morpholo-gy分类
农业科技引用本文复制引用
陈清华,陈凤鸣,肖晶,李洪兵..葡萄糖氧化酶对仔猪生长性能、养分消化率及肠道微生物和形态结构的影响[J].动物营养学报,2015,(10):3218-3224,7.基金项目
湖南省高校科技成果产业化培育项目(新型乳猪饲料的中试与示范13CY009) （新型乳猪饲料的中试与示范13CY009）
湖南农业大学技术开发合作项目(酶制剂应用效果评估技术体系的研究13118) （酶制剂应用效果评估技术体系的研究13118）
