Beneficial effect of bacteriocin-producing strain Enterococcus durans ED 26E/7 in model experiment using broiler rabbits

Andrea Lauková, Monika Pogány Simonová, Ľubica Chrastinová, Anna Kandričáková, Jana Ščerbová, Iveta Plachá, Klaudia Čobanová, Zuzana Formelová, Ľubomír Ondruška, Gabriela Štrkolcová and Viola Strompfová
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Andrea Lauková: Institute of Animal Physiology, Slovak Academy of Sciences, Košice, Slovak Republic
Monika Pogány Simonová: Institute of Animal Physiology, Slovak Academy of Sciences, Košice, Slovak Republic
Ľubica Chrastinová: National Agricultural and Food Centre, Lužianky, Slovak Republic
Anna Kandričáková: Institute of Animal Physiology, Slovak Academy of Sciences, Košice, Slovak Republic
Jana Ščerbová: Institute of Animal Physiology, Slovak Academy of Sciences, Košice, Slovak Republic
Iveta Plachá: Institute of Animal Physiology, Slovak Academy of Sciences, Košice, Slovak Republic
Klaudia Čobanová: Institute of Animal Physiology, Slovak Academy of Sciences, Košice, Slovak Republic
Zuzana Formelová: National Agricultural and Food Centre, Lužianky, Slovak Republic
Ľubomír Ondruška: National Agricultural and Food Centre, Lužianky, Slovak Republic
Gabriela Štrkolcová: University of Veterinary Medicine and Pharmacy, Košice, Slovak Republic *Correspoding author: laukova@saske.sk
Viola Strompfová: Institute of Animal Physiology, Slovak Academy of Sciences, Košice, Slovak Republic

Czech Journal of Animal Science, 2017, vol. 62, issue 4, 168-177

Abstract: From the aspect of probiotic properties and bacteriocins, Enterococcus faecium belongs to the most frequently studied species among enterococci. This study deals with testing the strain of the species Enterococcus durans ED 26E/7 in broiler rabbits. The strain ED 26E/7 isolated from ewes lump cheese produces an antimicrobial substance durancin. Forty-eight post-weaned rabbits (aged 5 weeks) of both sexes were divided into experimental group (EG) and control group (CG) per 24 animals each, and kept in standard cages, two animals per cage. EG group rabbits were additionally administered the ED 26E/7 strain (500 µl/animal/day) into water for 21 days. CG group rabbits were fed a commercial feed. The experiment lasted 42 days. Faeces and blood samples were taken on days 0-1 (experiment onset), 21 (after a 3-week application), and 42 (3 weeks after ED 26E/7 strain cessation). On days 21 and 42, rabbits were slaughtered and caeca and appendix were sampled. The rabbits' digestive tract was found to be sufficiently colonized by the strain ED 26E/7; the antimicrobial effect was demonstrated in caecum and appendix (e.g. decrease in coliforms). Reduction of Eimeria sp. oocysts in EG compared to CG rabbits was detected on day 21, when also a significant (P < 0.05) increase of phagocytic activity in EG was registered. Values of glutathione-peroxidase were lower in EG than in CG rabbits on day 21 implying that the ED 26E/7 application had not evoked oxidative stress. Biochemical blood parameters and quality of meat were not negatively influenced. First time tested in animals, E. durans ED 26E/7 seems to be a new candidate for use in rabbits husbandry.

Keywords: enterococcal species; influence; rabbit; gut microbiota; physiological parameters; meat quality (search for similar items in EconPapers)
Date: 2017
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlcjs:v:62:y:2017:i:4:id:21-2016-cjas

DOI: 10.17221/21/2016-CJAS

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