Leviticus 22:28

Whether it is an ox, or a sheep, they shall not be immolated on the same day with their newborns

Other versions

King James Version

And whether it be cow or ewe, ye shall not kill it and her young both in one day.

English Standard Version

But you shall not kill an ox or a sheep and her young in one day.

New International Version

Do not slaughter a cow or a sheep and its young on the same day.