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Bacillus amyloliquefaciens NRRL B-50508, Bacillus amyloliquefaciens NRRL B-50509 and Bacillus subtilis NRRL B-50510

Additive Zootechnical additives Authorised in animal feed (EU)

Description

What it is. Additive combining three bacterial strains, Bacillus amyloliquefaciens NRRL B-50508, Bacillus amyloliquefaciens NRRL B-50509 and Bacillus subtilis NRRL B-50510, supplied as a powder preparation containing at least 2.5 × 10^9 CFU/g of Bacillus spp. in a 1:1:1 ratio. The active substance consists of viable spores of the three strains.

What it is for. Classified as a gut flora stabiliser (functional group 4b) for pigs for fattening and minor porcine fattening species. It is intended to support intestinal microbial balance during the fattening period. The minimum content in feed is set at 1.5 × 10^8 CFU/kg. Use is restricted to the authorised species and production stages indicated in the registry.

Points to watch. Storage conditions and stability under heat treatment must follow the instructions given for the additive and premixtures. Feed business operators must establish operating procedures and organisational measures to manage handling risks, including respiratory and skin protection where exposure cannot be minimised otherwise. Authorisation is valid until 25 August 2029.

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Target species

Pigs