vaherbmom, consider THIS.

I did the 'search the forums' for you and came up with the attached threads on this subject. See if you can't find some worthy advice amongst all the pages of older threads.

Here is a link that might be useful: Search the Forums

or consider this

Here is a link that might be useful: link

ken, my retriever does the job for me! Not as large as a mastiff, but MUCH faster.
hortster

lol

i just put large dog in google..

i really expected a bit more diversity .... other than 200 pound dogs ...

with those.. you can probably forget the bed totally .. lol ..

ken

thanks for the link to previous threads, I am reading through the many suggestions
I have livestock guardian dogs but they have been trained not to bother cats (we do want the cats around to keep mice out of the barn/feed).

vaherbmom, this is off topic, but what kind of guardian dogs do you have?