Calcium across the samples may be low as a result of the acidic soil, these types of soils are often poor sources of trace elements, best action is to test soil pH and treat accordingly. Acidic soils as a result of high rainfall and soil contamination indicated a high level of aluminium in the grass tested – this can depress phosphorus absorption and cause energy deficit in livestock;
therefore, phosphorus supplementation may be necessary.

Uniblock’s herdminder bucket lick would be a good way to increase phosphorus levels to help fertility post calving. It is important to note that high levels of manganese in the grass can sometimes result in a depression of zinc and iron absorption in ruminants.

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