I agree with Reiko and Laura. In my opinion, I do not see problems when animals are used for medical researches. Many lives are saved. On the other hand, animals in general don`t have to be used for entertainment, because we know not only do they suffer a lot but also they don`t live in good conditions.
Animals must be well-cared for.
Viviane

PS I did not get to record the comment in the right place, so, I posted here.