INVITRO INHIBITION OF THE GROWTH OF SALMONELLA-TYPHIMURIUM AND ESCHERICHIA-COLI O157-H7 BY BACTERIA ISOLATED FROM THE CECAL CONTENTS OF ADULT CHICKENS

被引:25
作者
HINTON, A [1 ]
SPATES, GE [1 ]
CORRIER, DE [1 ]
HUME, ME [1 ]
DELOACH, JR [1 ]
SCANLAN, CM [1 ]
机构
[1] TEXAS A&M UNIV SYST, TEXAS VET MED CTR, DEPT VET MICROBIOL & PARASITOL, COLLEGE STN, TX 77843 USA
关键词
D O I
10.4315/0362-028X-54.7.496
中图分类号
Q81 [生物工程学(生物技术)]; Q93 [微生物学];
学科分类号
071005 ; 0836 ; 090102 ; 100705 ;
摘要
A Veillonella species and Enterococcus durans were isolated from the cecal contents of adult broilers. Mixed cultures of Veillonella and E. durans inhibited the growth of Salmonella typhimurium and Escherichia coli O157:H7 on media containing 2.5% lactose (w/v). The growth of S. typhimurium or E. coli O157:H7 was not inhibited by mixed cultures containing Veillonella and E. durans on media containing only 0.25% lactose or by pure cultures of Veillonella or E. durans on media containing either 0.25% or 2.5% lactose. The mixed cultures of Veillonella and E. durans produced significantly (P < 0.05) more acetic, propionic, and lactic acids in media containing 2.5% lactose than in media containing 0.25% lactose. The inhibition of the enteropathogens was related to the production of lactic acid from lactose by the E. durans and the production of acetic and propionic acids from lactic acid by the Veillonella.
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收藏
页码:496 / 501
页数:6
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