“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.
The priest is to splash the blood against the altar of the Lord at the entrance to the tent of meeting and burn the fat as an aroma pleasing to the Lord.
When they are a month old, you must redeem them at the redemption price set at five shekels of silver, according to the sanctuary shekel, which weighs twenty gerahs.