The English versions says, if I remember correctly: "How else can we be sure that our products are safe for the most valuable creatures on Oddworld: the Khanzumers!"
Notice the plural on creatures, which leaves it ambivalent as to whether Khanzumers are one or many species (since it may be a simple plural for their entire race), as opposed to your Italian version, which says only "creature," implying just one species (I could be wrong, my Italian grammar is rusty).
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