Re: Another Can of Worms?

["Lori Hayward" <haywardl@shentel.net>]

Some other problems with QUEST .....if you have dogs(and most equine owner
do) DO NOT let them eat feces of horse treated with QUEST!  It will kill
your dog!!!!!!

I wouldn't have the stuff in my barn personally!!!!!

Lori Hayward
LIV2RYD in VA with 9 dogs and 11 horses
-----Original Message-----
From: Karen Steenhof <steenhof@cyberhighway.net>
To: ridecamp@endurance.net <ridecamp@endurance.net>
Date: Sunday, March 22, 1998 4:34 PM
Subject: Another Can of Worms?


>Again, this may or may not be related directly to endurance.  But because
>the health of our endurance horses is paramount, I was beginning to feel
>guilty about NOT passing this along.
>
>Has anyone else heard of problems with using the new wormer QUEST?
>
>Last week I took my horses to the vet for their spring vaccinations,
>Coggins, teeth floating, and sheath cleaning.  I told the vet I would worm
>them myself and was thinking about using QUEST (which I had already
bought).
>He said DON't use QUEST!  He has done colic surgery on several horses that
>had recently been wormed with QUEST (< 1 week) and feels that the colic was
>related to QUEST's toxicity.  Although QUEST is ivermectin-based, but Fort
>Dodge has modified the ivermectin molecule.  Unlike the old ivermectin,
>QUEST interacts with fat differently.  I may have some of this wrong, but
>apparently Quest is stored in fat.   Lean horses may get too much wormer in
>their system. Unlike some other wormers, Quest needs to be fed according to
>the weight of the horse.  The entire tube dose for 1350 pound is TOO much
>for an 800 or 900 pound animal.  After talking to some people about this, I
>have heard that some horses have developed  hives after getting QUEST.  I
>have not read about any of these problems in the various horse magazines,
>nor have I heard any thing about it on ridecamp.  But some of these
problems
>seem too serious to ignore. Does anyone have any experience or insights--
or
>would anyone like to buy my 3 syringes of QUEST????
>
>Karen Steenhof
>Boise, Idaho
>steenhof@cyberhighway.net
>
>