Most farmers recognise bald ears, spectacles, rusty coloured coats as ‘copper deficiency’ symptoms.
When reduced fertility, poor DLWG and lower milk yields become apparent, blood tests are carried out to find out what’s wrong. All too often the results come back to say that blood copper levels are normal.
There is strong evidence that the interactions between molybdenum, sulphur, iron and copper induce ‘copper deficiency’ symptoms and this can be especially prevalent on improved hill ground and land that has been limed.
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