Leviticus 22:28
You must not slaughter an ox or a sheep and its young on the same day.
Deuteronomy 22:6-7
If you happen to notice a bird's nest along the road, whether in a tree or on the ground, and there are chicks or eggs with the mother bird sitting on them, you must not take the mother from the young.
Exodus 23:19
The first of the firstfruits of your soil you must bring to the house of the Lord your God. "You must not cook a young goat in its mother's milk.
Exodus 34:26
"The first of the firstfruits of your soil you must bring to the house of the Lord your God. You must not cook a young goat in its mother's milk."
Deuteronomy 14:21
You may not eat any corpse, though you may give it to the resident foreigner who is living in your villages and he may eat it, or you may sell it to a foreigner. You are a people holy to the Lord your God. Do not boil a young goat in its mother's milk.