Leviticus 22:27
He said: When a calf, a lamb, or a goat is born, it must stay with its mother for seven days. It may be accepted as a sacrifice by fire to Jehovah from the eighth day on.
Exodus 22:30
Do the same with your oxen and with your sheep. Its mother may keep it for seven days. On the eighth day give it to me.
Leviticus 12:2-3
Tell the Israelites: 'When a woman gives birth to a boy, she will be unclean for seven days. This is the same number of days she is unclean for her monthly period.
Leviticus 19:23-24
When you come into the land and plant all kinds of fruit trees, you must not eat the fruit for the first three years.
Leviticus 22:25
Never bring any kind of castrated animal received from a foreigner as a food offering for your God. A castrated animal will not be accepted on your behalf because castration is a physical defect.'