They must have found some source of water that is contaminated with infective oocysts. Stay away for any water that is on the ground or in streams.
I hope the Vet. gives them Flagyl (metronidazole) if indeed it is giardiasis.
Remember, when he takes a smear of fresh stools, a negative fecal does not exclude giardia, as oocysts are shed only intermittently. Three negative fecal smears collected at least two days apart should be obtained before the diagnosis is excluded. New serology tests (ELISA, IFA) ae becoming available. |