ii) skal sikre sig, at foderlaegemiddel og foder, der i almindelighed anvendes ved fodring af de behandlede dyr, ikke som virksomt stof indeholder samme antibiotikum eller samme coccidiostaticum. ###>(ii) satisfy himself that the medicated feedingstuff and the feedingstuff currently used to feed treated animals do not contain the same antibiotic or the same coccidiostat as active substances.