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<big><center>[[The Rumen|'''BACK TO THE RUMEN''']]</center></big>
<big><center>[[The Rumen - Anatomy & Physiology|'''BACK TO THE RUMEN''']]</center></big>
==Introduction==
==Introduction==
[[Image:Diagram of ruminating contractions.jpg|thumb|right|150px|Diagram of ruminating contractions - Copyright RVC 2008]]
[[Image:Diagram of ruminating contractions.jpg|thumb|right|150px|Diagram of ruminating contractions - Copyright RVC 2008]]
*Reflex initiated by mechanical stimlation of the receptors in the mucosa of the [[The Reticulum|reticulum]], ruminoreticular fold and cardiac area of the [[The Rumen|rumen]]
*Reflex initiated by mechanical stimlation of the receptors in the mucosa of the [[The Reticulum|reticulum]], ruminoreticular fold and cardiac area of the [[The Rumen - Anatomy & Physiology|rumen]]
*Frequency of contractions depends on the animal's activity
*Frequency of contractions depends on the animal's activity
*E.g. Cattle that are resting (not feeding or ruminating) only have contractions 47-80 per hour
*E.g. Cattle that are resting (not feeding or ruminating) only have contractions 47-80 per hour
*Discrete reticular contraction preceedes biphasic ruminal contraction (see [[The Rumen#Ruminoreticular contraction|ruminoreticular contractions]])
*Discrete reticular contraction preceedes biphasic ruminal contraction (see [[The Rumen - Anatomy & Physiology#Ruminoreticular contraction|ruminoreticular contractions]])
*Rumination depends upon the coordination of the stomach movements with the thoracic wall and throat
*Rumination depends upon the coordination of the stomach movements with the thoracic wall and throat