What is the use of having a surrogate mother in animal cloning?
It would make the result at least a little ambiguous. How would you establish with high confidence that the offspring was the results of your implanted cloned ovum and not a naturally fertilized one? DNA testing would have to be quite extensive to establish that offspring was a clone and not the result of an ordinary pregnancy. If you use a surrogate mother, the offspring will have DNA quite distinct from the surrogate.