Let the dam go — Partly for the bird's sake, which suffered enough by the loss of its young; for God would not have cruelty exercised towards the brute creatures: and partly for mens sake, to refrain their greediness, that, they should not monopolize all to themselves, but leave the hopes of a future seed for others.
Related Commentaries of Deuteronomy 22:7
Deuteronomy 22:7
7 But thou shalt in any wise let the dam go, and take the young to thee; that it may be well with thee, and that thou mayest prolong thy days.