Hello I am looking for tips on keeping rodents away from my hens, and after last night my bunnies as well. We pour poison down any holes & close them off. I also put the garden hose down the holes & turn it on the Pitts make a game of trying to catch them pop out of other holes. However I had a big loss to an opossum & night before last it appears a rat killed one of my bunnies. The dogs got the big possum but the bunnies are in stainless steel rabbit cages & the bars are small feeder & water-er built in like I keep the feed in the enclosed back porch in a large Tupperware bin with lid. any ideas on killing these rodents with out harming the domestic stock?