Leviticus 22:27
When a bullock, or a sheep, or a goat, is born, then it shall be seven days with the mother; and from the eighth day and thereafter it shall be accepted for an offering made by fire unto the LORD.
Exodus 22:30
Likewise shall you do with your oxen, and with your sheep: seven days it shall be with its mother; on the eighth day you shall give it to me.
Leviticus 12:2-3
Speak unto the children of Israel, saying, If a woman has conceived, and borne a male child: then she shall be unclean seven days; as in the days of her customary impurity shall she be unclean.
Leviticus 19:23-24
And when you shall come into the land, and shall have planted all manner of trees for food, then you shall count the fruit thereof as unclean: three years shall it be as unclean unto you: it shall not be eaten of.
Leviticus 22:25
Neither any gotten from a stranger's hand shall you offer as the bread of your God of any of these; because their defect is in them, and blemishes are in them: they shall not be accepted for you.