“For I am HaShem who brought you up out of the land of Egypt, to be your G-d. You shall therefore be holy, for I am holy. This is the law of the animal, and of the bird, and of every living creature that moves in the waters, and of every creature that creeps on the earth, to make a distinction between the unclean and the clean, and between the living thing that may be eaten and the living thing that may not be eaten.”
Leviticus 11:45-47


Here is another one:


  1. Kashrut and the New Testament
  2. OU.org