Leviticus 22:27 - When a bullock, or a sheep, or a goat, is brought forth, then it shall be seven days under the dam; and from the eighth day and thenceforth it shall be accepted for an offering made by fire unto the LORD. (Verses like Leviticus 22:27)
Deuteronomy 15:19 - All the firstling 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 firstling of thy bullock, nor shear the firstling of thy sheep. (Verses like Deuteronomy 15:19)
Exodus 13:12 - That thou shalt set apart unto the LORD all that openeth the matrix, and every firstling that cometh of a beast which thou hast; the males shall be the LORD'S. (Verses like Exodus 13:12)
Leviticus 12:3 - And in the eighth day the flesh of his foreskin shall be circumcised. (Verses like Leviticus 12:3)