that is only a good anti-fungal and a poor anti-bacterial, so it is not a broad spectrum preservative (most companies add this to packaged aloe. personally i would add geogard ultra or another preservative (geogard is a broad spectrum preservative so would protect against a wide range of bacteria and fungi...
intermediate (secondary) hosts to assist in their transmission from one definitive (primary) host to another. although parasitism is often unambiguous, it is part of a spectrum of interactions between species , grading via parasitoidism into predation, through evolution into mutualism , and in some fungi...