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			 The infected Iowa birds were being raised near the city of Harris by 
			Sunrise Farms, an affiliate of Sonstegard Foods Company, the company 
			said. 
			 
			The facility houses 3.8 million hens, according to the company, 
			which sells eggs to food manufacturers, government agencies and 
			retailers. 
			 
			"We went to great lengths to prevent our birds from contracting AI 
			(avian influenza), but despite best efforts we now confirm many of 
			our birds are testing positive," Sonstegard said in a statement. 
			 
			The flock has been quarantined, and birds on the property will be 
			culled to prevent the spread of the disease, the U.S. Department of 
			Agriculture said. The virus can kill nearly an entire infected flock 
			within 48 hours. 
			 
			The Agriculture Department said the Iowa flock numbered 5.3 million 
			birds. The larger figure likely represents the capacity of the farm, 
			while the company number was the actual number of birds on site, 
			said Bill Northey, Iowa's secretary of agriculture. 
			  
			
			  
			 
			A loss of 3.8 million birds represents more than 6 percent of the 
			egg-laying hens in Iowa and more than 1 percent of the U.S. flock, 
			meaning "there definitely will be some customers that will be 
			impacted by this," Northey said. 
			 
			Iowa was already among 12 states that have detected bird flu in 
			poultry since the beginning of the year. The other states are 
			Arkansas, Idaho, Kansas, Minnesota, Missouri, Montana, North Dakota, 
			Oregon, South Dakota, Washington and Wisconsin. 
			 
			The Agriculture Department has spent at least $45 million responding 
			to the U.S. outbreak, including costs for testing, quarantines 
			around infected facilities, and compensation for producers whose 
			birds have been killed by the virus or culled. The figure does not 
			include the cost to producers from the months of downtime in barns 
			after infections have been detected. 
			 
			The infections also have hurt the $5.7 billion U.S. export market 
			for poultry and eggs. 
			 
			For producers "in the back of their head is how greatly they could 
			be impacted by this disease," Northey said. He did not know the 
			monetary value of the 3.8 million birds. 
			
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			Bird flu, also called avian influenza or AI, is a viral disease that 
			infects birds. Officials believe wild birds are spreading the virus 
			but they do not know how it is entering barns. 
			 
			In Wisconsin, Governor Scott Walker on Monday declared a state of 
			emergency after three poultry flocks became infected in the past 
			week, according to his office. The infected birds, more than 326,000 
			in all, were chickens at an egg-laying facility, turkeys and a 
			backyard flock of mixed-breed birds. 
			Walker has authorized the state's National Guard to help contain the 
			disease, citing "thin" resources available from the federal 
			government. A state spokeswoman said guardsmen would disinfect 
			trucks exiting infected premises. 
			 
			A spokeswoman for the U.S Department of Agriculture did not respond 
			to questions about federal resources. The agency has deployed about 
			60 people to Minnesota, the top U.S. turkey-producing state, which 
			has found more infected flocks than any other state. 
			 
			The U.S. Centers for Disease Control and Prevention considers the 
			risk for human infections to be low, and no human cases have been 
			reported. 
			 
			(Additional reporting by P.J. Huffstutter in Chicago; Editing by 
			Matthew Lewis, Toni Reinhold) 
			[© 2015 Thomson Reuters. All rights 
				reserved.] Copyright 2015 Reuters. All rights reserved. This material may not be published, 
			broadcast, rewritten or redistributed. 
			
			
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