Kashrut
Among the numerous laws that form "kashrut" are prohibitions on the consumption of certain animals (such as pork and shellfish), mixtures of meat and milk, and the commandment to slaughter mammals and birds according to a process known as "shechita". There are also laws regarding agricultural produce that might impact the suitability of food for consumption.
Pork
Some sects of Christianity abstain from the consumption of pork. The prohibition is based on Leviticus chapter 11, Deuteronomy chapter 14, and Isaiah chapters 65 and 66. Some denominations that forbid pork consumption are:In contrast, many members of the Macedonian Orthodox Church consider the consumption of pork an important tradition, symbolizing the survival of their ancestors' Christian identity during the times of Muslim Ottoman rule.