How do you RE-TRAIN a cocker spaniel
We have a 5 year old cocker spaniel. He was fully trained and then my wife went on mat leave and stayed home all day. He no longer had to hold it all day and just went to the door when he wanted to be let out. Now that she is back at work and he is left alone for 8 hours, he cannot hold it anymore and poops in the house. He has had no accidents since he was trained as a puppy, and now has had 5 "mistakes" in the past 2 weeks. Any suggestions would be helpful.