Anyone have a recommendation on how to kill rats that will NOT go in any sort of trap? I haven't seen any, but all signs point to them: tunneling into run, tunneling under duck house, tunneling under water basin and base of ramp, half eaten tomatoes on ground in garden (abuts coop area). Digging at base of run. Coop is against 12' very old stone retaining wall- so I have noticed areas of dirt pushed out in various spots. All activity seems to happen between 11pm and 6am. Look what they did just last night: They ignored ALL traps I had out with pieces of granola bar. Ignored the stupid electric trap. I'm at my wits end. I've tried: Tried bucket trap: nothing Set 4 rat snap traps in various locations with different baits- only 1 was set off and 1 fat field mouse was caught. Nothing since. Electric trap: nothing Was going to try the sugar-baking soda "poison" tonite but having my doubts. What else can I do? Although the digging at the edge of the run at times seems to be because of the PVC feeder, otherwise they have no interest in bait and just tunnel and dig. Contemplating ripping out my tomato plants despite still harvesting in case they are using that as food.... Any ideas? Bait boxes I doubt will work because these rats seem uninterested in bait or crawling into anything foreign. Help!!