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Solubilization of macro-mineral elements in vivo from fresh herbage and their availabilities to, and uptake by steers

Published online by Cambridge University Press:  24 November 2017

PC Chiy  and
CJC Phillips
PC Chiy
Affiliation:
School of Agricultural and Forest Sciences, University College of North Wales, Bangor, Gwynedd LL57 2UW
CJC Phillips
Affiliation:
School of Agricultural and Forest Sciences, University College of North Wales, Bangor, Gwynedd LL57 2UW
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Extract

Inadequate uptake of macro-mineral elements in cattle frequently causes economic losses, mainly through clinical disease in the case of Ca and Mg and reduced performance in the case of P and Na. Uptake is a function of mineral intake, solubilization in the digestive tract and absorption of the solubilized fraction. Inadequate Mg uptake is known to be partly caused by fertilizer K, which elevates herbage Ko content and prevents Mg absorption in the rumen. Fertilizer Na, by restricting herbage K uptake offers a means to increase Mg uptake in cattle and could potentially increase the uptake of other minerals.

Type
Ruminant Metabolism
Information
Proceedings of the British Society of Animal Production (1972) , Volume 1993: Winter meeting , March 1993 , pp. 193
Copyright
Copyright © The British Society of Animal Production 1993

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