“When an ox, a sheep, or a goat is born, it must remain with its mother for seven days. From the eighth day on, it will be acceptable as an offering made by fire to the LORD.
Jewish Publication Society of America Version (JPS1917) - Leviticus 22:27 >When a bullock, or a sheep, or a goat, is brought forth, then it shall be seven days under the dam; but from the eighth day and thenceforth it may be accepted for an offering made by fire unto the LORD.