I realised it probably wasn't that helpful for you after I posted the reply.
Jane (Inspector Morse) often buys dried forage online. Some of her posts may give some useful links.
Isn't dried forage just hay? I get mine from a local farmer, here those farmed single species hays are pretty much unheard of, hay is whatever grows on the meadows.
Thanks tulsi. I have had a bad experience with hay box and for whatever reason my rabbit doesn’t like it! I got some from Wild About Bunnies, I went a bit mad and got loads…