On May 9, 5:44*am, "Gill Smith" > wrote:
> gradually getting my house sorted
>
> went to a local environment group's open day yesterday
>
> they no-no'ed composting fat, meat bones, fish heads etc.
>
> their objection seemed to be it encourages rats
>
> I've always thought composting *anything* organic is fair game
>
> others of that opinion?

Fat will take an eternity to break down.

Ditto bones.

Meat and fish heads, while good sources of nitrogen, will attract
dogs, skunks, etc. If you want creatures rooting through your compost,
fine.