Chronic/Non-Infectious Disease — New Zealand
Dairy facial eczema (FE) is caused by a fungus growing on dead and dying matter in the pasture which releases a spore with toxins in it. It is most likely to grow and produce spores in warm and humid conditions. Zinc is currently the main way of preventing the disease.
Trial work done in 2014 examining zinc concentrations in the blood of 1200 cattle from over 100 farms in the North Island showed approximately 70 per cent of cattle did not have enough zinc to protect against facial
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