Some dogs will definitely kill all snakes they encounter - even venomous ones. In this instance, she had wounded the snake before I even knew what was going on. I intervened and held Gracie back while DH finished the snake off. (That was such a big snake that I know he had the ability to unload a huge batch of venom into my dog.) After that, Gracie re-killed it again and again! I have video of her shaking it violently and tossing it around. As beautiful as she is - she is a vermin killing machine!
She is a great asset to us. She's an English Shepherd - the (almost) perfect farm dog in my opinion.
Gracie is the perfect farm dog with one exception. She is such a vermin eradicator that anything that is small and moving fast is on her menu....baby chickens are small and move fast. Generally, they do not invade "her" yard - but occasionally they slip through the fence - they don't often have the ability to slip back out. Her only flaw.