Can goats eat Heliconia plants and roots?

I think my goat may of foundered. He has very sore feet, he is on his knees to eat, he will walk around but only to get from one spot to another. He is over weight but He doesnt get grain, he gets chaff & lucerne mix and hay, either lucerne hay or oaten or grass hay. He has a mate who is fine but Billy is the smaller of the 2 and he is a bit fat. I have researched this and I think overweight might be the cause. I thought he just needed his feet trimmed as they were overgrown so I bought some hoof clippers but he didn't really improve and now someone has told me about founder.

Hi All!

We're preparing to purchase a property soon with the hopes to (among other things) breed/milk/show Nigerian Dwarf Goats.
I know they are a fairly new breed to Australia, and I have done a general search for breeders in Australia and there are a few. I was after any feedback you might have for purchasing/breeding them here. Any breeders you would recommend or stay clear of? Has there been any issues you've come across with having a new breed.

Thanks!
Gem

Just purchased our first lot of dwarf dairy goats (Nigerian Dwarf) and taking delivery in the near future. We will be breeding for sale as dairy goats/pets as well as looking at showing in the future... Reading all the info on NLIS still can't make heads nor tails out of the exemption for dairy goats for ear tagging. Can anyone shed some light on this? Thanks in advance