gestation period mallard duck eggs
You don't spritz the eggs and you keep temp and humidity the same during incubation. When you set them to hatch (lockdown) you'll need higher humidity, around 65%. But NOT during incubation, you just keep them wherever you keep your chicken eggs. Mallard ducks take about 26 days to hatch.Using the turner is fine.hen you set them to hatch (lockdown) you'll need higher humidity, around 65%. But NOT during incubation, you just keep them wherever you keep your chicken eggs. Mallard ducks take about 26 days to hatch. Using the turner is fine.