PLASMA CALCIUM IN THE LACTATING COW: DEPENDENCE ON CONTINUOUS INTESTINAL ABSORPTION

1 December 1984

journal article
Published by Canadian Science Publishing in Canadian Journal of Animal Science

Vol. 64 (5) , 227-228
https://doi.org/10.4141/cjas84-236

Abstract

Plasma calcium homeostasis in a lactating cow depended heavily on continuous intestinal absorption: plasma Ca declined within 5 h from 2.35 to 1.90 mmol/L when the cow was transferred from high (120 g, basal ration + abomasal infusion) to low Ca intake (20 g, basal ration). Prior stimulation of Ca absorption (1,25-(OH)₂D₃) did not prevent the hypocalcaemia. Key words: Plasma calcium, hypocalcemia, calcium absorption, lactation

Keywords

PLASMA CALCIUM
LACTATING COW
ABSORPTION
BASAL
PRIOR
2D3
HEAVILY

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