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Vascular Fluid Balance (view source)

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==Abnormal States of Potassium, Magnesium and Calcium Balance==

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===Hypomagnesaemia===

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===[[Hypomagnesaemia]]===

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* Magnesium is important for muscular and nervous conduction.

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*Low Mg ++ diets may induce acute hypo-magnesaemia in lactating cows.

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** Seen as tremors and convulsions (tetany).

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** For example, poor quality silage.

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* High K+ diets induce a relative Mg++ imbalance.

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** For example, lush pasture.

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** Known as "grass staggers".

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** Produces tetany and ataxia, and sometimes cardiac arrest.

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** Only shock haemorrhages can be seen at autopsy; i.e. non-specific findings.

===Hypokalaemia===

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