[retro]

The article on heartworm treatment sez do not give to collies or part-collies but does not explain why. Why? I have a part-collie.

Thanx Much!
Retro

 

[Kerdogs]

Collies and Shelties and some other breeds are sensitive to the drug Ivermectin, which is in Heartguard. Interceptor is a better choice for heartworm. Hope this helps! Kerry

 

[shilohmarie]

magnificent