Leviticus 22:28 in the King James Version
And whether it be cow or ewe, ye shall not kill it and her young both in one day.
Context
27 “When a bull, a sheep, or a goat is born, it shall remain seven days with its mother. From the eighth day on it shall be accepted for the offering of an offering made by fire to the LORD.
28 Whether it is a cow or ewe, you shall not kill it and its young both in one day.
29 “When you sacrifice a sacrifice of thanksgiving to the LORD, you shall sacrifice it so that you may be accepted.