Yep, that nicely filled out, healthy looking body houses a nasty worm load. |
If you're wondering about the biopsy, the results suggested encysted strongyles - apparently Rory is very sensitive to some phase of the burrowing in or out (unrelated to egg laying, so they don't necessarily show on a fecal at that time which is what fooled us into ruling out worms) and doesn't have a heavy enough infestation to have a constant problem - thus the intermittent nature. Anyway he got dewormed with Quest today after an oxybendazole dewormer knocked off the bulk of his active wormload two weeks ago. We recount in about six weeks and see how he's doing. If he's okay I'll deworm for tapeworms then. But it looks like I'll have to make Quest part of his regular dewormer rotation to keep on top of the encysted worms. I used Quest when it first came out and didn't like it from a user perspective. I found the horses spat more of it out, so I haven't used it since - until now. Rory will be getting it at least once a year from now on.
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