Geoff Coombe is your man for the job. That is what he does. He goes all around the world doing that for a living.He just came back from Nepal, where they have the most snake bites in the world.Also he recently went to India to help their miners with the same problem you seem to be having.Hes the best at this sort of thing.
You can E-mail him at
gncoombe@picnowl.com.au
or call on 0408 838 043.
or write to: Geoff Coombe, Living with wildlife.
PO box 781 williamstown S.A 5351.