I am fortunate with my dog Buck, he hasnt killed anything and has no desire to chase small animals when he's outside. When we walk down by the river and he's unleashed, he'll trot right by the ducks and doesnt even notice when they fly away.

Now, my Goose was a different story! When he was about 1 year old he would bring baby rabbits inside and skin them right in front of me. Horrible! Then he killed one of my cats inside the house while I was sitting 3 feet away. *This is also horrible but it worked* My husband tied the dead cat around his neck immediately after it happened and made him stay outside until it rotted off(it was summer at the time) Poor Goose was soooo miserable, and acted very ashamed of himself....and no one wanted him around them! He never chased or killed anything ever again. In fact when I had 4 week old little kittens after that, they would crawl all over him, and play with his ears and tail, he never moved an inch!