Effect of Enterococcus faecium AL41 and Thymus vulgaris essential oil on small intestine integrity and antioxidative status of laying hens

We investigated the effect of Enterococcus faecium on phagocytic activity, antioxidative status in vivo and the effect of E. faecium and 0.4% concentration of Thymus vulgaris essential oil (EO) on the duodenal tissue integrity in vitro in laying hens. The birds were fed the same standard diets and w...

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Bibliographic Details
Published inResearch in veterinary science Vol. 89; no. 2; pp. 257 - 261
Main Authors Placha, I., Simonova, M. Pogany, Cobanova, K., Laukova, A., Faix, S.
Format Journal Article
LanguageEnglish
Published England Elsevier India Pvt Ltd 01.10.2010
Elsevier Limited
Subjects
Animals
antioxidant activity
Antioxidants - metabolism
Chickens
Duodenum
Enterococcus faecium
Enterococcus faecium - classification
essential oils
Female
Glutathione Peroxidase - metabolism
in vitro studies
Intestine, Small - drug effects
laying hens
Oils, Volatile - chemistry
Oils, Volatile - pharmacology
phagocytes
Phagocytic activity
Plant Oils - chemistry
Plant Oils - pharmacology
poultry diseases
probiotics
Thymus Plant - chemistry
Thymus vulgaris
Trans-epithelial electrical resistance
Veterinary medicine
Duodenum
Phagocytic activity
Trans-epithelial electrical resistance
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Summary:We investigated the effect of Enterococcus faecium on phagocytic activity, antioxidative status in vivo and the effect of E. faecium and 0.4% concentration of Thymus vulgaris essential oil (EO) on the duodenal tissue integrity in vitro in laying hens. The birds were fed the same standard diets and were divided into four groups. E. faecium was added to the drinking water for the second and fourth groups. EO was added to special chambers for measuring trans-epithelial electrical resistance (TEER) for the third and fourth groups only. TEER was lower in groups where EO was added, but in the group with E. faecium TEER was not changed significantly. Our results show that EO at 0.4% concentration may negatively affect intestine integrity, and the probiotic strain E. faecium AL41 is able to eliminate this effect and can strengthen non-specific immunity. To confirm our findings further histopathological investigations of intestinal tissue are needed.
Bibliography:http://dx.doi.org/10.1016/j.rvsc.2010.03.006
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ISSN:0034-5288
1532-2661
DOI:10.1016/j.rvsc.2010.03.006