Factors affecting the utilization of food by dairy cows. 4. The action of the reticulo-omasal orifice.
D000818:Animals; D002417:Cattle; D005260:Female; D005502:Food; D041981:Gastrointestinal Tract / Q000502:physiology*; D009851:Omasum
CATTLE; GASTROINTESTINAL SYSTEM/physiology