Effect of plant extract supplementation on Escherichia coli O157:H7 and Salmonella carcass isolation in young Holstein bulls fed a high-concentrate diet

M. Devant; C. Adelantado; A. Anglada; M. A. Calvo; A. Bach

doi:10.4315/0362-028X-72.1.147

Effect of plant extract supplementation on Escherichia coli O157:H7 and Salmonella carcass isolation in young Holstein bulls fed a high-concentrate diet

M. Devant, C. Adelantado, A. Anglada, M. A. Calvo, A. Bach

Research output: Contribution to journal › Article › Research › peer-review

1 Citation (Scopus)

Abstract

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. Copyright ©, International Association for Food Protection.

Original language	English
Pages (from-to)	147-150
Journal	Journal of Food Protection
Volume	72
Issue number	1
DOIs	https://doi.org/10.4315/0362-028X-72.1.147
Publication status	Published - 1 Jan 2009

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title = "Effect of plant extract supplementation on Escherichia coli O157:H7 and Salmonella carcass isolation in young Holstein bulls fed a high-concentrate diet",

abstract = "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. Copyright {\textcopyright}, International Association for Food Protection.",

author = "M. Devant and C. Adelantado and A. Anglada and Calvo, {M. A.} and A. Bach",

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Effect of plant extract supplementation on Escherichia coli O157:H7 and Salmonella carcass isolation in young Holstein bulls fed a high-concentrate diet. / Devant, M.; Adelantado, C.; Anglada, A.; Calvo, M. A.; Bach, A.

In: Journal of Food Protection, Vol. 72, No. 1, 01.01.2009, p. 147-150.

Research output: Contribution to journal › Article › Research › peer-review

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AB - 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. Copyright ©, International Association for Food Protection.

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