Scientific Opinion on the safety and efficacy of Yea-Sacc® ( Saccharomyces cerevisiae) as a feed additive for cattle for fattening, goats for fattening, dairy cows, dairy sheep, dairy goats and buffaloes
Yea-Sacc® is an additive based on a live preparation of a strain of Saccharomyces cerevisiae intended for use as a zootechnical additive. It is produced in a powder (Yea-Sacc®) and in a prills (Yea-Sacc® TS) form. Saccharomyces cerevisiae is considered by EFSA to be suitable for the qualified presumption of safety approach to safety assessment. As the identity of the production strain has been established, safety for the target species, consumer and the environment is presumed. Both formulations are non-irritant to skin, Yea-Sacc® TS is non-irritant to the eye whilst Yea-Sacc® is a moderate irritant. In the absence of data both formulations should be considered skin sensitisers. As both forms are highly proteinaceous, they should be considered as potential respiratory sensitisers. Yea-Sacc® TS is designed to reduce dustiness and no significant exposure of users is to be expected for this form. In the absence of data on the dusting potential of Yea-Sacc®, it would be prudent to treat it as a respiratory sensitiser. Based on the results of four trials Yea-Sacc® was shown to have the potential to increase milk production in dairy cows when supplied at a minimum dose of 5 x 10