Manufacturers of party pills could be prevented from testing their drugs on animals if they cannot prove it is worth the pain they could potentially cause.

Last year 37 per cent of the 327,000 animals used in research, testing and teaching in New Zealand died or were put down during projects.

Psychoactive drugs will join the group of products being tested on animals under proposed regulations for producers to prove they are safe before they go on sale.

Should party pills be tested on animals? Here is the latest selection of Your Views: