LA CROSSE, Wis. (AP) -- Wisconsin's state veterinarian has banned spring weigh-ins for pigs competing at fairs this year and is recommending all pigs shown at fairs be sent immediately to slaughter to prevent the spread of a deadly animal virus.
The steps are aimed at preventing the spread of porcine epidemic diarrhea virus, which has killed as many as 4 million pigs since it showed up in the United States last April.
La Crosse Tribune reports Wisconsin has seen six cases so far.
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