Description
What it is. Zootechnical additive consisting of a preparation of Saccharomyces cerevisiae CNCM I-4407, a yeast strain, supplied as a solid containing viable (dehydrated) yeast cells at a minimum guaranteed concentration of 5 × 10^9 CFU/g.
What it is for. Used as an intestinal flora stabiliser (functional group 4b) in feed for calves for rearing, lambs for fattening, dairy goats and sheep, fattening pigs, dairy buffaloes, horses, weaned piglets, sows, dairy cows, fattening and non food-producing rabbits, rabbits other than suckling and breeding animals, and fattening cattle. It is generally used to support gut microbial balance during rearing, fattening or high-production stages. Minimum use levels are fixed per species in the regulatory annex (e.g. 4 × 10^9 CFU for fattening cattle, 5 × 10^9 CFU for rabbits other than suckling and breeding animals).
Points to watch. Storage conditions and stability to heat treatment must be stated in the instructions for use of the additive and premixtures. Operators must implement operational procedures and organisational measures to manage handling risks, including personal protective equipment for eyes, skin and, for rabbits, respiratory protection, where risks cannot otherwise be eliminated. Authorisation end dates differ by species (2026 to 2035); viable cell counts should be checked against the applicable annex before formulation.
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