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The pinto stallion could set a new world record for a lightweight foal.
Einstein weighed just 6 pounds and measured 14 inches in height when he was born Friday in Barnstead, New Hampshire.
That's teeny -- even for a miniature breed like Einstein's.
Dr. Rachel Wagner, Einstein's co-owner, says the Guinness record for the smallest newborn horse is 9 pounds.
Wagner notes Einstein shows no signs of dwarfism, unlike the current record holder.
