Dodatkov, ki so izključno namenjeni za prehrano hišnih ljubljenčkov, morda ni vedno treba podvreči tako obsežnemu programu preskušanja na kronično toksičnost, mutagenost in karcinogenost, kot je program za dodatke, namenjene za prehrano živine, iz katere izvirajo izdelki za prehrano ljudi.
It will not always be necessary to subject additives intended exclusively for pet food to as exhaustive a programme of chronic toxicity, mutagenicity and carcinogenicity testing as that required for additives intended for feeding to livestock from which are derived produce for human consumption.