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[RC] Wormers and Dogs - Diana Hiiesalu

A good portion of collies (like 3 out of 4) and alot of other herding breeds or dogs with collie in them can have a mutant gene called an MDR-1 that can cause them to have a reaction to ivermectin and several other drugs. I had 6 of my collies tested and 4 are normal/normal, 2 are mutant/normal. (5 of the collies are family members, the 6th is related who is one of the m/n dogs.) Good to know for me, though I still would not use any drug with ivermectin in it on them. Being a breeder/fancier, I have seen and heard too many horror stories. Here is a website for anyone interested in reading more, especially if they have a dog who they think might carry the mutant gene. It's http://www.mdr1test.com.
Diana Hiiesalu Bain
Entais Collies