Cardiff North MP Jonathan Evans said "we should be replacing experimentation on animals with as many alternatives as possible", and called for action to make steps in that direction.
He said "there should be much more done" by the research and the pharmaceutical industries "to ensure we cut down significantly on the number of animals that are used."
More top news
Patchy rain and drizzle will continue this evening and overnight. Winds will remain brisk with temperature staying on the mild side.
With Christmas around the corner, we'd like to see your pets getting in the spirit in their festive outfits.
ITV News has spoken to one social worker who says the system is unsafe, blighted by bullying and high case loads.