Abomasum contractions and the motility of the reticulum and rumen.
D000018:Abomasum / Q000502:physiology*; D000818:Animals; D004435:Eating; D005215:Fasting; D005769:Gastrointestinal Motility; D009119:Muscle Contraction; D012159:Reticulum / Q000502:physiology*; D012417:Rumen / Q000502:physiology*; D012756:Sheep / Q000502:physiology*