Abstract Following a request from the European Commission. the EFSA Panel on Additives and Products or Substances used in Animal Feed (FEEDAP) was asked to deliver a scientific opinion on the safety and efficacy of 24 compounds belonging to chemical group 4 (non‐conjugated and accumulated unsaturated straight‐chain and branched‐chain. aliphatic primary alcohols. aldehydes. https://halohealthcarers.shop/product-category/resistance/