Minerals to Cows

Minerals to Cows

Dr. Ken McMillan

DTN

The amount of minerals in forages varies tremendously over the year. Lower levels and availability of calcium and magnesium in lush spring grasses, combined with a cow’s peak need for calcium and magnesium, may mean an increase in cases of milk fever (low calcium), grass tetany (low magnesium) or a combination of both (what I call lactation tetany).

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