When I read that article, all I could think of was this video: https://www.youtube.com/watch?v=l2Pyu-Cj0gg (In case you're sensitive, it's farmers using pitchforks to turn soil in a fallow or recently harvested field that is ridden with rats, which flushes the rats. There are a handful of ratting dogs milling about which immediately chase and kill the rats. The way they do it is the dog grabs the rat in it's mouth an…
I wonder how many cats every house needs to rid it of mice. Given the volume, I doubt there are enough cats in Australia to even make a dent.
Anecdotally, one.