peppermint oilany tips on sprays that works for rats not eating wires.

Since there was a “next crop” does that mean it is effective? I would think parents bit the dust before the next crop. Or, the next generation treated it like candy?I use a mouse and rat bait called Final that is sold by Amazon. If it so effective that the next crop of mice tried to chew into the container.
After I get rid of the "local squatters" seems the '"out-of-towners" eventually wonder in from the fields looking for a cozy home. It's a year-round never-ending endeavor.Since there was a “next crop” does that mean it is effective? I would think parents bit the dust before the next crop. Or, the next generation treated it like candy?