Nemogoče je povsem odpraviti prisotnost nezaželenih snovi, vendar je pomembno, da se njihovo vsebnost v proizvodih, namenjenih za krmo živali, zmanjša ob ustreznem upoštevanju akutne strupenosti teh snovi, sposobnosti za biološko kopičenje in razgradljivost, da se preprečijo nezaželene in škodljive posledice.
It is impossible to eliminate fully the presence of undesirable substances but it is important that their content in products intended for animal feed should be reduced, with due regard to the substances' acute toxicity, bio-accumulability and degradability, in order to prevent undesirable and harmful effects.