Cell preparation of Enterococcus faecalis strain EC-12 prevents vancomycin-resistant enterococci colonization in the cecum of newly hatched chicks

Poultry Science
Y SakaiKazunari Ushida

Abstract

The use of antimicrobials in broilers is considered to be a cause of the appearance of vancomycin-resistant enterococci (VRE). Once VRE penetration occurs, whatever its origin, it is difficult to expel the enterococci from the intestine because of their multiple resistance, whether natural or acquired. In this study, we evaluated the prevention of VRE colonization by the dietary supplementation of a cell-wall preparation of Enterococcus faecalis strain EC-12 (EC-12) in newly hatched broilers that were challenged by experimental infection with VRE. The chicks were fed a basal diet supplemented with 0.05% (wt/wt) EC-12 powder for 15 d. The control group and that administered Lactobacillus sp. were fed the basal diet. The VRE challenge was administered orally when the chicks were 2 d old (d 0). Dietary EC-12 reduced VRE colonization in the intestine from d 3 to 14. Total IgA in the cecal digesta and total IgG in the serum were higher on d 14 in the EC-12 treatment group. However, VRE-specific and EC-12-specific antibodies were not affected in serum. Hence, it appeared that dietary EC-12 stimulated the gut immune system and reinforced the immune reaction against the VRE challenge to accelerate its defecation from the chick intestine.

Citations

Feb 19, 2010·Animal Science Journal = Nihon Chikusan Gakkaihō·Takeshi TsurutaKazunari Ushida
Jul 7, 2011·Animal Science Journal = Nihon Chikusan Gakkaihō·Takamitsu TsukaharaKazunari Ushida
Jan 24, 2014·Animal Science Journal = Nihon Chikusan Gakkaihō·Shin SukegawaFumiki Morimatsu
Mar 10, 2018·Behavioural Pharmacology·Pablo RomanDiana Cardona
Apr 21, 2010·Nutrition Research Reviews·Clifford A Adams
May 1, 2019·Bioscience, Biotechnology, and Biochemistry·Ryuji TamakiRyo Inoue
Apr 9, 2013·Bioscience, Biotechnology, and Biochemistry·Ryo InoueKazunari Ushida
Jun 28, 2016·Experimental and Therapeutic Medicine·Ghalia KhoderSherif M Karam
Jul 7, 2018·Nutrients·Girish DeshpandeSanjay Patole
May 16, 2019·Journal of Animal Physiology and Animal Nutrition·Konstantinos C MountzourisKonstantinos Fegeros
Jun 11, 2019·Frontiers in Microbiology·Juan Manuel Peralta-SánchezManuel Martínez-Bueno
Oct 24, 2017·Veterinary Sciences·Panditharathnalage Nishantha Kumara WijesekaraDiwan Rawat
Apr 30, 2020·BMC Complementary Medicine and Therapies·Nariman K Badr El-DinMamdooh Ghoneum

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