Scientific Opinion on the safety and efficacy of Bonvital (Enterococcus faecium) for chickens reared for laying and minor avian species

Zootechnical additive, Bonvital, Enterococcus faecium, chickens reared for laying, minor avian species, efficacy, safety
First published in the EFSA Journal
5 April 2013
Adopted
12 March 2013
Type
Scientific Opinion

Abstract

Bonvital is a preparation of a strain of Enterococcus faecium authorised for use in piglets and pigs for fattening, in sows and in chickens for fattening. The applicant is seeking the further authorisation of Bonvital for use in chickens reared for laying and minor avian species. The E. faecium strain does not contain marker genes typical of hospital-associated isolates responsible for clinical infections and is susceptible to clinically relevant antibiotics. The safety of Bonvital in chickens for fattening has been established in a previous assessment. Since the applicant proposes the use of the same dose (5 x 108 CFU/kg complete feedingstuffs) in chickens reared for laying, safety for this animal category can be presumed. As the same dose is proposed for minor avian species, this conclusion can be extrapolated to minor avian species to point of lay. The strain is not expected to raise concerns for consumers of animal products. Bonvital is not irritant to skin and eyes. In the absence of data, it should be considered to have the potential to be a skin/respiratory sensitiser and treated accordingly. The use of Bonvital under the conditions proposed is considered safe for the environment. The efficacy in chickens for fattening has been established in a previous assessment. Since the applicant proposes the use of the same dose (5 x 108 CFU/kg complete feedingstuffs) in chickens reared for laying, the conclusion on the major species can be extended to this category. As the same dose is proposed for minor avian species and as the mechanism of action of the additive can reasonably be assumed to be the same as in the major species, efficacy in minor avian species to point of lay can be presumed.

Panel members at the time of adoption

Gabriele Aquilina, Alex Bach, Vasileios Bampidis, Maria De Lourdes Bastos, Gerhard Flachowsky, Mikolaj Antoni Gralak, Christer Hogstrand, Lubomir Leng, Secundino López-Puente, Giovanna Martelli, Baltasar Mayo, Derek Renshaw, Guido Rychen, Maria Saarela, Kristen Sejrsen, Patrick Van Beelen, Robert John Wallace and Johannes Westendorf.
Panel on Additives and Products or Substances used in Animal Feed
Contact
FEEDAP [at] efsa.europa.eu
doi
10.2903/j.efsa.2013.3167
EFSA Journal 2013;11(4):3167
Question Number
On request from
European Commission