The First Born of the Donkey to be Redeemed with Lamb or Its Neck Broken
Source: TTT
Exodus 13:13
You must redeem every firstborn donkey with a lamb, and if you do not redeem it, you are to break its neck. And every firstborn of your sons you must redeem.
Exodus 34:20
You must redeem the firstborn of a donkey with a lamb; but if you do not redeem it, you are to break its neck. You must redeem all the firstborn of your sons. No one shall appear before Me empty-handed.