Professorcloned the four new animals in his laboratory in England using stored cells and the techniques he devised while part of the team at the successful Roslin Institute.
Their existence only emerged at a stormy conference on animal welfare held at the European Parliament in Brussels last week, hosted by Scottish Conservative MEP Struan Stevenson.
And, as our exclusive pictures show, the four have already grown into healthy adult sheep.
Dolly, the world’s first cloned mammal, was put down suffering from advanced lung disease and arthritis aged six, raising fears about the long-term health of the animals.
But Prof Campbell said that the new Dollies are living proof that problems have been resolved and that EU restrictions on cloning are based on “misleading and out of date” figures."
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