…You don’t stop this,” said Knight. “It runs its course, and then
the birds leave,” he said.
Hofmann noted that recent sunny skies and wavy conditions on the lake
from high winds tend to break up mucus on the water surface, making for
bad conditions for the spread of avian cholera. He further noted that
the ruddy ducks will be heading north again in a couple of weeks.
Lake County saw close to 8,000 waterfowl die during an outbreak of
avian cholera in January of 2004.