"the campaigns by the alf just result in the research being moved overseas where conditions for the animals are even worse."
I totally agree with you. But I hope you are not classing all anti-vivisectionists as being members of the alf! As I can assure you they aren't!!! I certainly don't believe in digging up bodies or attacking people and blowing up vehicles!! ;o)
I've given my view below which has been moaned at as being too simplistic.
I hope you get the answers you are looking for it's a very emotive topic and not one I think you'll get a definite yes or a no too!! :o)