ORIGINAL PAPER
The effects of calcium and sodium loading on organic matter digestibility and mineral absorption in sheep. 2. Absorption of minerals
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Department of Animal Physiology, Warsaw Agricultural University, Nowoursynowska 166, 02-766 Warsaw, Poland
 
 
Publication date: 1995-11-06
 
 
J. Anim. Feed Sci. 1995;4(4):311-319
 
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ABSTRACT
Experiments were carried out on sheep to assess the effect of rations containing excess calcium and sodium (5 and 10 times more than recommended in the ARC requirements) on the apparent digestibility and absorption of macro- (K, Na, Mg, Ca, P) and microelements (Zn, Cu) in the forestomachs and small intestine of sheep. The introduction of calcium lactate (20% DM) into an extruded concentrates led to a significant decline in Mg digestibility and elevated Ca digestibility in the forestomachs and a decline in P digestibility in the segments of digestive tract between the mouth to the ileum (forestomachs + small intestine). Excess Na in the diet (12 g/d) significantly reduced K absorption in the small intestine. Loading sheep with Ca and Na did not affect the absorption of microelements in the small intestine or in the segment between the mouth and ileum.
 
CITATIONS (1):
1.
Serum Calcium Response Following Oral Zinc Oxide Administrations in Dairy Cows
T Thilsing-Hansen, RJ Jørgensen
Acta Veterinaria Scandinavica
 
ISSN:1230-1388
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