Whatever the case, they are not starving. And unless all that on the neighbor is less than 75 feet from your coop, they are not likely making that journey. They would move first.
But the point remains, for rats to survive.....they need three things. Food, water and shelter. Eliminate those...
This is just one of many such publications that can be found on the Internet. This one happens to be both concise and informative. All have a common theme. Rat control revolves around three things......Sanitation, Exclusion and lastly, Elimination.
Most make the mistake of going straight to...