Yesterday morning I had just let the chickens out to free range in my suburban backyard which is "lightly" fenced. I heard the guys next door yelling for me and look out the window to see the other neighbors very large Bernese Mountain dog running around the backyard after my chickens. I go flying out to the rescue in my nightgown, joining the lady chasing her leashed dog who broke away when she was walking him. The dog did a couple of laps around the yard then laid down when the owner caught up. Thank god it was just curious. He was very happy with himself -friendly dog. The chickens were hysterical - biggest thing they ever saw! The lady apologized and thought the dog broke the fence to get in. That was not the case. We don't see loose dogs around here so I was not too worried about my fencing. I have a real fence (Wood 6 ft) on both sides but the back is a 4 ft. wire fence and the side to the front has a makeshift barrier to keep my chickens and little shi tzus IN not to keep anything out. I learned my lesson - if it had been another dog I might of lost my chickens. I have to get the area secure before something does happen.