I think there is an Elisa test, an immunologic test of the feces, it lights up with antibody if the agent is present (I could be wrong on this for sure)
We used to float the stool with zinc sulfate and find it. It has a little face, you can't mis-diagnose it if you see it. Sometimes you can see them swimming on a direct fecal smear.
The trouble is, sometimes you don't see it,sometimes the agent is not being "shed".
Practically, we used to treat if symptoms merited treatment -- Flagyl often, or if the animal was very large (so the Flagyl would be mega-bucks)we would administer to dewormer Panacur.It was pretty easy to treat IME
Reg: 07-13-2005
Posts: 31571
Loc: North-Central coast of California
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Title: A comparison of the SNAP® Giardia fecal antigen test and the zinc sulfate double centrifugation fecal flotation procedure to diagnose Giardia intestinalis infections in two populations of infected dogs
"Studies were conducted to compare the zinc sulfate double centrifuge fecal flotation to the SNAP (registered trademark) Giardia fecal ELISA test manufactured by IDEXX laboratories Inc. in purpose bred beagles and shelter and commercial kennel dogs. In these evaluations the zinc sulfate double centrifuge fecal flotation and fecal ELISA test performed similarly .... There was an increase in number of positive animals identified when 3 consecutive daily samples were evaluated as compared to any one individual day for either test method."
Why not just treat for it if you suspect it? Then the problem is solved. Why spend money on diagnostic tests when you can spend the money on a fix?
The medicine is not real toxic, and if you've treated for it you've ruled it out as a problem, if the problem is still there,then you have to look for something else to treat.
Just a question...
Well, most people around here want "answers". Also, I guess sometimes there are several possibilities. Some people don't mind to spend the money, and/or don't want to give necessary meds?
Reg: 07-13-2005
Posts: 31571
Loc: North-Central coast of California
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"We always send Giardia suspects to the lab... most people around here want "answers"."
What test does the lab do? I'm really asking. The SNAP® Giardia fecal antigen test? Or the zinc sulfate double centrifugation fecal flotation procedure? If the lab does the ELISA test, then aren't we seeing that it might be possible to do better? If the lab does the three-sample-48-hours-apart fecal, then aren't we seeing that it might be possible to do better? LOL There doesn't seem to be across-the-board agreement as to clear superiority.
So I'm curious what test you are sending the samples to the lab for.
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