I have mice issues in my barn, sucks grabbing a 50# sack of feed from the stack and it pours all over the floor
I have used the yellow pack of poison from TSC, but they have seem to build up an immunity to it so I switched to the green pack. I haven't seen any mice around lately since switching. Plus I have stopped buying feed in mulitple bags, I buy enough to fit into feed bins, that has helped a lot too.
I know the squirrels like the yellow pack pellets I buy and it doesn't kill them, the would wipe out a bowl of that stuff quick.
I had a bucket like that to trap them, but I guess I had enough feed every where else, I only caught a couple.
If that 5' black snake in the barn would quit getting full on my eggs and eat the mice, I wouldn't have a problem in the warm months!