Our family had a border collie cross just like this one. She was called Sadie and died in October Sadie was so bright and seemed to understand what I was talking about! Such an intuitive dog and very affectionate X
100 years of selective breeding. Sadly, this is why purebred dogs have so many health issues. Just go get a mutt from the shelter! As long as there are homeless animals, there's no such thing as a "reputable" breeder.