Doug Corwin’s duck farm was thriving. By January 13, one of his barns held 12,000 two-week-old ducklings. It was cold, but ...
Knowing where, when and for how long mallard ducks -- natural carriers of avian influenza -- stop and rest as they migrate can help predict the probability that they will spread bird flu to backyard ...
Knowing where, when and for how long mallard ducks—natural carriers of avian influenza—stop and rest as they migrate can help ...
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