Over the past week, we have seen temperatures drop at night, and with heavy rain forecast at the weekend there is an increasing threat of grass tetany, particularly for freshly calved cows.

Allowing calves to forward graze leafy material, leaving more stem for cows, can help. Offering some form of roughage to cows at grass will help by slowing down the passage of grass through the cow, allowing her to absorb more minerals.

Cows should be supplemented with some form of magnesium to further reduce the risk. If offering lick buckets to cows, one bucket should be provided for every 10 cows.

Read more

Part one: cows are too valuable to lose to tetany

Part two: how to avoid grass tetany

Full coverage: Tetany

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