My understanding is that what you say is true; collies cannot tolerate heartworm preventative medication. However, other dogs do tolerate the medication without incidence and if not for the medication, would die of heart worm.
Now that the subject has been introduced, what IS given to collies for heart worm prevention?
Years ago, collies were the number one breed of dog to have but in the last 30 years (???) they seem to have disappeared. Border collies are fairly common but I haven't seen a `regular' collie (as in Lassie) for eons.
Any thoughts on this?
Sue
WLR
--- In CHICKENS-101@yahoogroups.com, LUCKEDRA@... wrote:
>
> Jean is very correct. Ivermectin can do great harm to most Border Collies.
CHICKENS-101@yahoogroups.com
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