Leviticus 22:27
"When an ox or sheep or goat is born, it shall remain seven days with its mother, and from the eighth day on it shall be acceptable as a food offering to the LORD.
Exodus 22:30
You shall do the same 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 to the people of Israel, saying, 'If a woman conceives and bears a male child, then she shall be unclean seven days. As at the time of her menstruation, she shall be unclean.
Leviticus 19:23-24
"When you come into the land and plant any kind of tree for food, then you shall regard its fruit as forbidden. Three years it shall be forbidden to you; it must not be eaten.
Leviticus 22:25
neither shall you offer as the bread of your God any such animals gotten from a foreigner. Since there is a blemish in them, because of their mutilation, they will not be accepted for you."