Effect of Plant Extract Supplementation on Escherichia coli O157:H7 and Salmonella Carcass Isolation in Young Holstein Bulls Fed a High-Concentrate Diet

被引：1

作者：

Devant, M. ^{[1
]}

Adelantado, C. ^{[2
]}

Anglada, A. ^{[1
]}

Calvo, M. A. ^{[2
]}

Bach, A. ^{[1
,3
]}

机构：

[1] IRTA, Unitat Remugants, Grp Recerca Nut Maneig & Benestar Anim, Caldes De Montbui 08140, Spain

[2] Univ Autonoma Barcelona, Dept Sanitat & Anat Anim, Barcelona 08193, Spain

[3] ICREA, Barcelona 08010, Spain

来源：

JOURNAL OF FOOD PROTECTION | 2009年 / 72卷 / 01期

关键词：

MONENSIN; O157-H7; CATTLE; MANAGEMENT; FORAGE;

D O I：

10.4315/0362-028X-72.1.147

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：

Ninety Holstein bulls were used in a complete randomized design to study the effect of a blend of plant extract (PE) supplementation on jejunum, cecum, and rectum microbiota (Escherichia coli and lactic acid bacteria [LAB]) and hide and carcass contamination (identification of E. coli O157:H7 and Salmonella), Three treatments-control (CTR), monensin (MON), and PE-were tested. Bulls were offered straw and concentrate ad libitum during 108 d. In the cecum, the percentage of LAB counts below 5 log CFU/ml was greater (P < 0.01) in MON (68.1%) than in CTR (34.6%) and PE (28.0%) treatments. On hide, Salmonella was detected (P < 0.05) in CTR (13.3%) and MON (10.0%) treatments, in contrast to PE (0%) treatment. In bulls fed high-concentrate diets supplemented with PE, no increase of carcass E. coli O157:H7 and Salmonella identification was observed.

引用

页码：147 / 150

页数：4

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