“ ‘No one, however, may dedicate the firstborn of an animal, since the firstborn already belongs to the Lord; whether an ox or a sheep, it is the Lord’s.
“As it is also written in the Law, we will bring the firstborn of our sons and of our cattle, of our herds and of our flocks to the house of our God, to the priests ministering there.
If it is one of the unclean animals, it may be bought back at its set value, adding a fifth of the value to it. If it is not redeemed, it is to be sold at its set value.
“But you must not redeem the firstborn of a cow, a sheep or a goat; they are holy. Splash their blood against the altar and burn their fat as a food offering, an aroma pleasing to the Lord.
for all the firstborn are mine. When I struck down all the firstborn in Egypt, I set apart for myself every firstborn in Israel, whether human or animal. They are to be mine. I am the Lord.”
Set apart for the Lord your God every firstborn male of your herds and flocks. Do not put the firstborn of your cows to work, and do not shear the firstborn of your sheep.