How to Discourage Dogs from Chasing Cats?

MileHighDart said
Just an idea, you could keep your dogs in your house and fenced yard, or on a leash when out. And your neighbor should keep his cats indoors, or at least out of your yard. No more cat chasing!
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The dogs have found the neighbors cats inside our fenced yard more than once, even killed some kittens in our back yard.