Cud stretched, forming a vacuum in the gullet that sucks the semi-liquid stomach content into the esophagus. From the esophagus it is taken back to the mouth with retro peristaltic movements. When the stomach content, or the cud, arrives in the mouth of the ruminant, it is pushed against the palate with the tongue to remove excess liquid, the latter is swallowed and the solid material is chewed thoroughly so the cattle can extract the minerals present in the cud brought to the surface during rumination. The function of rumination is that food is physically refined to expose more surface area
Pork a theory that pork was taboo in Scotland until roughly 1800. Pork is a well-known example of a non-kosher food. This prohibition is based on Leviticus chapter 11 and Deuteronomy chapter 14: These are the creatures that you may eat from among all the animals that are upon the land. Everything that possesses a split hoof, which is fully cloven, and that brings up its cud—this you may eat. But this is what you shall not eat from what brings up its cud or possesses split hooves—the camel, because it brings up its cud but does not possess split hooves...and