article_snippet.sent: Iowa's Osceola County - prompting a massive bird cull.
article_snippet.sent: : Chickens stand in Chickens cages at a farm near Stuart, Iowa.
article_snippet.sent: The confirmation means up to 5.3 million hens there must be destroyed in a state that produces one in every five eggs consumed in the nation.
article_snippet.sent: So far, only two egg operations have been hit — the one in Iowa and one in Wisconsin.
article_snippet.sent: Except for a couple of backyard flocks, all the other cases in the Midwest have been at commercial turkey farms.
article_snippet.sent: Minnesota has had 28 turkey farms hit, far more than any other state.
article_snippet.sent: Turkey farm: In this photo provided by Bethany Hahn is a flock of turkeys at a Minnesota poultry farm.
article_snippet.sent: Officials say that's because Minnesota is the top turkey-producing state, and Minnesota thousands of lakes and ponds are attractive to migrating ducks and other waterfowl.
highlights_snippet.sent: Up to 5.3 million hens must be destroyed in northwest Iowa to contain outbreak .
  
highlights_snippet.sent: Minnesota, the top turkey-producing state has been severally effected .
  
highlights_snippet.sent: Nearly 7.8 million turkeys and chickens have died or been culled since March .