Combination of traps, the Fresh Cab stuff mentioned already and this stuff, RatX:

https://www.ecoclearproducts.com/

Don't like the idea of our whippets "killing" a sick rat that's full of DeCon type stuff. Same goes for the badger I've seen around.

Geno

The desert is a true treasure for him who seeks refuge from men and the evil of men.
In it is contentment
In it is death and all you seek
(Quoted from "The Bleeding of the Stone" Ibrahim Al-Koni)

member of the cabal of dysfunctional squirrels?