1.   It was not the first crisis Yuchinski had encountered with a newborn exotic animal.

2.   Newborn animals that feed on milk from their infected mothers usually die.

3.   The Dutch government said Friday it was outlawing a technique that produced two cloned calves, announcing the ban just as scientists were showing off the newborn animals.

4.   The Dutch government said Friday it would outlaw a technique that produced two cloned calves, announcing the ban just as scientists were showing off the newborn animals.