Brian Gaff wrote

No.
They **** off guide dogs though.

Most rodents follow their trails and seem immune to most external things.

Not poison they arent.

Find the food source, cut it off then try traps.

Poison works a lot better.

"R D S" wrote in message
news
There are some scrabbling noises in the workplace, we suspect rodent
activity.

Do the plug in repellers work?