Charles Ellicott Commentary Deuteronomy 14:3

"Thou shalt not eat any abominable thing." — Deuteronomy 14:3 (ASV)

You shall not eat any abominable thing. —That is, anything which Jehovah has pronounced abominable. The distinctions between His creatures were equally established and removed by the Creator. Yet, no doubt, they also had a sanitary purpose in relation to the chosen people.