You may eat any among the animals that has a divided hoof (the hooves are completely split in two ¹ ) and that also chews the cud. ² 

If a man has sexual intercourse ¹  with any animal, he must be put to death, and you must kill the animal.

“‘Surely no man may consecrate a firstborn that already belongs to the Lord as a firstborn among the animals; whether it is an ox or a sheep, it belongs to the Lord. ¹ 

If, however, ¹  it is among the unclean animals, he may ransom it according to ²  its conversion value and must add one fifth to it, but if it is not redeemed it must be sold according to its conversion value.

When a person touches anything unclean (whether human uncleanness, or an unclean animal, or an unclean detestable creature) ¹  and eats some of the meat of the peace offering sacrifice which belongs to the Lord, that person will be cut off from his people.’” ² 

Therefore you must distinguish ¹  between the clean animal and the unclean, and between the unclean bird and the clean, and you must not make yourselves detestable by means of an animal or bird or anything that creeps on the ground – creatures ²  I have distinguished for you as unclean. ³ 

He must not replace or exchange it, good for bad or bad for good, and if he does indeed exchange one animal for another animal, then both the original animal ¹  and its substitute will be holy.