Retention time of feed particles and liquids in the stomachs and intestines of dairy cows. Direct measurement and calculations based on faecal collection

• Published in: Reproduction, nutrition, development Vol. 37; no. 4; pp. 427 - 442
• Main Authors: MAMBRINI, M, PEYRAUD, J. L
• Format: Journal Article
• Language: English
• Published: Les Ulis EDP Sciences 01.07.1997
• Subjects: Animal Feed; Animals; Biological and medical sciences; Cattle - physiology; Development Biology; Digestive System Physiological Phenomena; Duodenum - chemistry; Feces - chemistry; Female; Food and Nutrition; Fundamental and applied biological sciences. Psychology; Life Sciences; Particle Size; Reproductive Biology; Stomach; Time Factors; Vertebrates: digestive system; Stomach; Bovine; Ruminant animal; Digestive system; Dairy cattle; Gut; Rumen; Digestion; Retention time; Digestive transit; Particle; Liquid; Vertebrata; Mammalia; Artiodactyla; Ungulata

To validate a method for analysing indigestible marker excretion patterns in terms of digesta passage, the mean retention time (MRT) of long hay, ground hay and concentrate, marked, respectively, with thulium, ytterbium and dysprosium was measured in the total digestive tract (TMRT) and in the stoma...