My border collie I don’t trust her 100% and wouldn’t have her outside by herself when I had chickens. But before I sold my last two chickens, I’d be out in the yard, she might show interest but I’d call her away and she would leave them alone. Now I have quail and she could care less. But she is coming 4 this year and slowing down some 
.
As a retired dog trainer you can train a dog to leave things alone but It can be an uphill battle with certain breeds (huskies) I would tell owners to be realistic in their expectations and be vigilant. It’s the owners responsibility to be the true guardian not the dogs. Someone posted about tiring the dog out and that’s great advice for common ales of dogs that are harder to train. My motto has always been “A tired dog is a happy dog” My sons pit has always been good with all the birds. Never trained just accepting but I know that’s rare.
. As a retired dog trainer you can train a dog to leave things alone but It can be an uphill battle with certain breeds (huskies) I would tell owners to be realistic in their expectations and be vigilant. It’s the owners responsibility to be the true guardian not the dogs. Someone posted about tiring the dog out and that’s great advice for common ales of dogs that are harder to train. My motto has always been “A tired dog is a happy dog” My sons pit has always been good with all the birds. Never trained just accepting but I know that’s rare.
