reticuloruminal contractions

reticuloruminal contractions

contractions occur in two types, primary and secondary. Primary contraction cycles commence with a double reticular contraction, the second accompanied by a contraction of the anterior dorsal sac of the rumen; next comes a contraction of the ventral sac of the rumen which completes the cycle. The frequency of the cycle in the normal animal depends on the volume and physical characteristics of the contents of the reticulorumen.
Secondary cycles follow primary cycles mostly when the patient is feeding; usually they commence in the caudal sacs and terminate in eructation.