English Standard Version
He shall not exchange it or make a substitute for it, good for bad, or bad for good; and if he does in fact substitute one animal for another, then both it and the substitute shall be holy.New International Version
He must not exchange it or substitute a good one for a bad one, or a bad one for a good one; if he should substitute one animal for another, both it and the substitute become holy.Catholic Public Domain Version
and it cannot be exchanged, that is, neither better for worse, nor worse for better. And if he has exchanged it, both that which was exchanged, and that for which it was exchanged shall be consecrated to the Lord