Scientific Opinion on the safety and efficacy of Rovabio® Spiky (endo-1,4-beta-xylanase and endo-1,3(4)-beta-glucanase) as a feed additive for turkeys and minor poultry species for fattening or reared for laying or breeding

EFSA Panel on Additives and Products or Substances used in Animal Feed (FEEDAP)

Rovabio® Spiky is an enzyme preparation, available in solid and liquid forms, of endo-1,4-beta-xylanase and endo-1,3(4)-beta-glucanase. The enzymes present in the additive are produced by two strains of Penicillium funiculosum, one of which is genetically modified. The additive is intended to be used as a feed additive for turkeys for fattening and minor poultry species for fattening or reared for laying or breeding. Aspects other than the safety and efficacy for turkeys have been addressed in the previous opinion on the safety and efficacy for chickens for fattening, chickens reared for laying and other minor poultry species. The current assessment addresses these aspects for the new target species only. Based on the results of a tolerance trial in turkeys for fattening, the Panel on Additives and Products or Substances used in Animal Feed (FEEDAP) concludes that the additive is safe for turkeys for fattening under the recommended conditions of use. Based on the results obtained in three efficacy studies, the FEEDAP Panel concludes that the additive has the potential to be efficacious in turkeys for fattening at the minimum recommended dose (1 100 U/kg xylanase and 760 U/kg glucanase). Both conclusions are extended to turkeys reared for breeding. The FEEDAP Panel confirms the previous conclusions that the additive is safe and efficacious in minor poultry species for fattening, reared for laying and reared for breeding at the same conditions of use.

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(FEEDAP), EFSA: Scientific Opinion on the safety and efficacy of Rovabio® Spiky (endo-1,4-beta-xylanase and endo-1,3(4)-beta-glucanase) as a feed additive for turkeys and minor poultry species for fattening or reared for laying or breeding. 2015.

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