Maciej Niedzialek
Maciej Niedzialek voted up Anonymous' answer

That's a great question I hadn't even thought about.

One dose should kill it but it should take 4-6 days for it to die.  From what I understand the smell of a few dead mice is better than the smell of many dead mice pooping, peeing, feeding and breeding.

Maciej Niedzialek
Maciej Niedzialek voted up Ray Dart's answer

If you did what was best for your dog (and it sounds as if you did), then no-one is going to care. I salute your bravery and humanity. I couldn't do that.

Maciej Niedzialek
Maciej Niedzialek voted up Anonymous' answer

Legally your dog is viewed as your property.  In most states that is enough to allow you to put it down in your means.  I have nothing but respect for you and your ability to make this decision. 

In most places use of a firearm is approved method of humane-euthanasia.

I have nothing but respect … Read more