What a good idea!
For bloat I use this:
100ml water, 100ml veg oil, 2 tbsp sodium bicarb. Mix well. This amount for an adult, less for a lamb.
Or (for lambs on bottles):
0.5tsp ground ginger in 2tbsp water.
I would also gently massage the tummy in a circular direction (if not an extreme case). And force exercise in all instances.
TimT's twin lamb drench recipe with egg and something would be a good one for the list too...