I am looking to purchase a Cocker Spaniel. Before I visited this Vet, I watched the YouTube Videos at his website. I did NOT realize that English Cocker Spaniel may have a hearing problem. I did NOT realize that I could have a Cocker Spaniel tested for hearing problem. Several of my friends that have Cocker Spaniels said they have a lot of trouble training their dog. It was like the dog was NOT hearing them. Things that make you go HMMMMM….