No it's not, it comes down and drops into little baskets that has wire criss crossed through it. It is no big deal to spray when I lock them up. As long as it keeps working.
I had a bad mouse problem in my run. I have a camera in the run, (chicken tv), the other night I watched about a dozen or so mice running around and chowing down on the chicken feed. I set out about a dozen traps, including bucket traps. Didn't catch a one. Just ran around them and jumped over...