Hot weather reduces milk productionWendy Collis, Tuesday January 28, 2014 - 10:11 EDT
South Australia is preparing for a second heatwave, but dairy farmers are still feeling the effects of the first heatwave, that happened a fortnight ago.
In extreme heat, cows are more likely to seek out shade instead of grazing, which means a drop in milk production.
Dairy farmer Charles Wallis, from Compton near Mt Gambier, says his herd hasn't returned to normal yet.
"Certainly I reckon, on average, milk production was down by about five litres per cow per day and it really has not recovered."
© ABC 2014
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