I too have had many problems with wild and neighboring dogs. Not for sure about your state, but in Indiana it is your legal right to kill a dog if it is on your property and harming your livestock. There is a leash law, even in the country.
Talking with your neighbors causes problems, and in...
Putting them on vitamin water usually helps, but you must do it as soon as they are hatched. A lot of times it fixes the problem within 3 or 4 days.
In my experince, after that, it is too late, and there is nothing you can do about it.