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 .

“When a calf, a lamb or a goat is born, it is to remain with its mother for seven days. From the eighth day on, it will be acceptable as a food offering presented to the Lord.

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.