That just one bite stuff took care of rats for me too!I had a severe rat infestation in one of my coops. I moved the birds to another coop and loaded it with rat bait. I shut the coop up tight for a couple of days. I then renovated the coop. Just prior to putting the baits in the coop I took out a ceiling and some inner walls we had put in. It was our first coop. The rats came pouring out as I was tearing out the wood and styrofoam we had in the ceiling. I didn't find any dead rats when I went back to renovate, but I think they went into their tunnels and died. The rat bait boxes have access for the rats and mice to get the bait but nothing else.
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