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."
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The Wales Rugby squad are currently in Switzerland at a gruelling conditioning training camp ahead of the World Cup in September.
Wales joined the rest of Britain today in falling silent to remember those who were killed in the July the 7th bombings.