Leviticus 27:26
But the firstborn of the animals, which because it is firstborn belongs to the LORD, no one shall sanctify it; whether it is ox or sheep, it is the LORD's.
Exodus 13:2
Sanctify unto me all the firstborn, whatever opens the womb among the sons of Israel, both of man and of beast; for it is mine.
Exodus 13:12-13
that thou shalt set apart unto the LORD all that opens the womb and in the same manner every firstborn that opens the wombs of thy animals; the males shall be the LORD's.
Exodus 22:30
Likewise shalt thou do with thine oxen and with thy sheep; seven days it shall be with his dam; on the eighth day thou shalt give it to me.
Numbers 18:17
But the firstborn of a cow, or the firstborn of a sheep, or the firstborn of a goat, thou shalt not ransom; they are sanctified; thou shalt sprinkle their blood upon the altar and shalt burn their fat for an offering on fire, for an acceptable savour unto the LORD.
Deuteronomy 15:19
All the firstborn males that come of thy herd and of thy flock thou shalt sanctify unto the LORD thy God; thou shalt do no work with the firstborn of thy bullock nor shear the firstborn of thy sheep.