oh that's so sad, i just caught up with this thread just now. poor lass, but you did the right thing i think, that's our responsibility as caring owners to take away their pain when we have to.
as an aside, i feed sheep feed to my goats and also offer them a mineral lick (for goats) with the added copper. would i be better changing to cow feed? and if so, what would i ask for at the feed merchants?