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Calcium at Calving

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 Calcium at Calving

All cows, including first calving heifers, have at least a transient drop in serum calcium levels around calving although very few get clinical hypocalcaemia (milk fever). Low or depressed levels of calcium in the blood, even for short periods, contribute to the decline in appetite and intake seen at calving. Calcium is required for proper functioning of gut musculature. Any depression of dry matter intake around calving and early lactation can contribute to, or initiate condition loss, that can have ongoing effects on both production and reproduction...

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