Leviticus 22:28

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

Read Leviticus 22:28 Using Other Translations

And whether it be cow or ewe, ye shall not kill it and her young both in one day.
But you shall not kill an ox or a sheep and her young in one day.
But you must not slaughter a mother animal and her offspring on the same day, whether from the herd or the flock.
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