https://www.selleckchem.com/pr....oducts/Rapamycin.htm
Following a request from the European Commission, EFSA Panel on Additives and Products or Substances used in Animal Feed was asked to deliver a scientific opinion on the safety and efficacy of Bonvital® for laying hens. Bonvital® is an additive containing viable cells of Enterococcus faecium DSM 7134 marketed in two forms, a granular and a powder form, both with a guaranteed minimum concentration of E. faecium DSM 7134 of 1.0 × 1010 colony forming units (CFU)/g additive. Bonvital® in either form is intended for use in feed for laying