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
Kosher animals Kosher animals Kosher animals are animals that comply with the regulations of kashrut and are considered kosher foods. These dietary laws ultimately derive from various passages in the Torah with various modifications, additions and clarifications added to these rules by Halakha. Various other animal-related rules are contained in the 613 commandments. and both give the same general set of rules for identifying which land animals (Hebrew: בהמות "Behemoth") are ritually clean. According to these, anything that "chews the cud" and has a completely split hoof is ritually clean, but those animals that only chew the cud or only have cloven