Determination of rumen fill, retention time and ruminal turnover rates of ingesta at different stages of lactation in dairy cows.
D000821:Animal Feed; D000818:Animals; D002417:Cattle / Q000502:physiology*; D004063:Digestion; D005260:Female; D005769:Gastrointestinal Motility; D007774:Lactation; D008433:Mathematics; D008954:Models, Biological; D011247:Pregnancy; D012417:Rumen / Q000502:physiology*