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
Six companies have announced jobs in the financial and manufacturing sectors, on the eve of the UK Investment Summit.
There will be plenty of cloud and fog around overnight. It looks dull at first on Friday morning, before rain returns across much of Wales.
Tooth extractions among 5 to 9-year-olds increased last year, according to figures obtained by ITV Cymru Wales.