Hi Barb and Don

It's not unusual to see the die off after worming as bad as reaction from the actual bugs.

They can become resistant to Ivermectin. That's happened to my non- IR guy.

Since we've gotten OT - not discussing specific ECIR horses - we need to move this to ECHorsekeeping. Tons of info in the archives there re Onchocerca and certainly lots of room for current discussion.

Thanks in advance for your help with this.

Nancy C in NH
February 2003
Moderator

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