id	author	title	date	pages	extension	mime	words	sentences	flesch	summary	cache	txt
cord-313849-lh2ixof2	Van Weeren-Keverling Buisman, A.	Intraruminal administration of milk in the calf as a model for ruminal drinking: Morphological and enzymatical changes in the jejunal mucosa	1990		.txt	text/plain	3881	216	54	In order to develop a calf model for studying the syndrome of ruminal drinking (RD) in veal calves, three dual-fistulated calves were used to test the effect of intraruminal administration of milk replacer on the jejunal mucosa. Means of villus length and brush border enzyme activities decreased during the period of intraruminal administration of milk. Clinical recovery from the signs of RD occurred rapidly after intraruminal administration of milk ceased and was followed by restoration of villus length and brush border enzyme activities 3–4 weeks later. A reduced lactase activity compared to the initial values was found in all three experimental calves in week 12, at the end of the induction period. A reduced lactase activity was reported in diarrhoeic calves between 10 and 30 days of age, which also showed villus atrophy and crypt hyperplasia in the proximal jejunum (Landsverk, 1981) .	./cache/cord-313849-lh2ixof2.txt	./txt/cord-313849-lh2ixof2.txt