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Inhibitory effects of competitive exclusion and fructooligosaccharide, singly and in combination, on <i>Salmonella</i> colonization of chicks

竞争排除和 Fructooligosaccharide 的禁止的效果,单身地并且在联合,在小鸡的沙门氏菌殖民上

作     者:Fukata, T Sasai, K Miyamoto, T Baba, E 

作者机构:Osaka Prefecture Univ Coll Agr Dept Vet Med Osaka 5998531 Japan 

出 版 物:《JOURNAL OF FOOD PROTECTION》 (食品保护杂志)

年 卷 期:1999年第62卷第3期

页      面:229-233页

核心收录:

学科分类:0832[工学-食品科学与工程(可授工学、农学学位)] 08[工学] 0836[工学-生物工程] 

主  题:拟杆菌属/分离和提纯 二裂菌属/分离和提纯 盲肠/微生物学 鸡/微生物学 大肠杆菌/分离和提纯 食品微生物学 乳杆菌属/分离和提纯 寡糖类/药理学 肠炎沙门菌/药物作用 肠炎沙门菌/分离和提纯 动物 

摘      要:The inhibitory effects of competitive exclusion (CE) and 0.1% concentration of fructooligosaccharide (FOS), singly and in combination, on Salmonella colonization of chicks were investigated. Moreover, quantitation of the major cecal flora (Bifidobacterium, Bacteroides, Lactobacillus, and Escherichia coli) was performed. One-day-old birds were divided into four groups: (i) control, (ii) CE, (iii) FOS, and (iv) CE plus FOS. Chicks received Salmonella Enteritidis at 7 days (experiment 1) or 21 days (experiment 2). Birds in each group were killed at 1 day, 7 days, and 14 days after inoculation of Salmonella Enteritidis for count of salmonella in cecal contents. In experiment 1, the mean number of Salmonella Enteritidis in the chicks inoculated with CE was significantly decreased compared with the other three groups at 1 day postinoculation. In experiment 2, the mean numbers of Salmonella Enteritidis in the chicks of the FOS group and the FOS plus CE group were significantly decreased compared with the control group at 1 day and 7 days postinoculation. On 7- and 21-day-old chicks, few changes on number of total bacteria, Bifidobacterium, Bacteroides, Lactobacillus, and E. coli were observed in the cecal contents of treated groups compared with the control group. Low-dose feeding of FOS in the diet of chicks with a CE treatment may result in reduced susceptibility to Salmonella colonization but may not lead to a shift in the intestinal gut microflora on 7- and 21-day-old chicks.

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