frothy bloat

Hi, I am new here so just figuring out things. I have 3 goats. I am just trying to get some advice on my 10 month old Nigerian Dwarf goat. She has been foaming at her mouth for 7 days! Started on Sunday, 2/2/20. She is a little bit bloated but not that big, you can hear gas going up her throat...

I have a 13 years old pure Boer wether that was a FFA rescue. In his heyday he was 200+ pounds. He has had some health issues the last few years, relating to electrolyte imbalances, low glucose and some URIs. A couple of years ago the vet had me start hand feeding him some Omolene 300 to help...