It's been discussed here a number of times - try googling this ng - ISTR the answer was to treat your boundaries with Renardine, human urine or tiger pooh from your local zoo...
Thanks for the heads-up. It seems Renardine has been banned but there are various citronella alternatives.
I just don't want anything that stops the cat using the garden as its toilet. I've already had sound advice from the group about removing cat pee smells from the hall carpet.....
Sounds like your tack should defintely be along the lines of treating the boundaries of your property to dissuade fox ingress, rather than fox-proofing the entire area of the property: I imagine most anti-fox agents will be anti-moggy too!
What was the problem with this? AFAIR Renardine was just bone oil (pyrrols) and had been used as a deterrent since the Victorians. Did the approval just expire, or was anything actually found to be hazardous about it?
Soak a rag with ordinary diesel. Drag it around the perimeter of your garden, replenishing the rag as required with more diesel. Ensure it don't get too close to wanted fauna and flora. Every time the fox gets near it they usually turn away.
If it's a persistent fox then repeat on each high point or unusual area (As in not your normal garden....Like your tarp) and it *will* work
Well, Renardine is made up from bone oil, which contains a fair amount of pyrroles (ring compounds where four of the members of the ring are carbon atoms, and the fifth is nitrogen). The Material Safety Data Sheet (MSDS) for pyrrole (the simplest member of the group of pyrroles
- all others having some other organic group substituting one or more of the hydrogen atoms attached to the pyrrole ring) is available here:
the key phrases are " Harmful by inhalation, ingestion or skin absorption. Ingestion may be fatal. Long-term exposure may cause liver damage.", so it's not stuff you want to be chucking around your vegetable patch (or anywhere else for that matter).
That said, it looks like the reason it's not approved is that the manufacturer wasn't able to provide a sufficiently tight specification of the make up of bone oil for a risk assessment to be made (which is hardly surprising, given how it is manufactured) - see page 49 here: .
Incidentally, if you have an arsenic atom in the ring instead of a nitrogen atom, the family of compound are known as arsoles. That's chemists' humour for you.
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