Young ones — Notwithstanding their great weakness caused by their hard entrance into the world. Grow up — As with corn, that is, as if they were fed with corn. Go forth — Finding sufficient provisions abroad by the care of God's providence.
Related Commentaries of Job 39:4
Job 39:4
4 Their young ones are in good liking, they grow up with corn; they go forth, and return not unto them.