Virus hitting Louisiana crawfish ponds

NEW ORLEANS - Louisiana crawfish producers: beware.State aquaculture specialists say a deadly virus is threatening the industry.Mark Shirley of the LSU Agriculture Center says the virus - known as white spot syndrome - primarily affects shrimp and was first discovered in Thailand and other parts of southeast Asia. He says it somehow made its way to crawfish ponds in South Louisiana and is having a significant impact.Crawfish farmer Ian Garbarino says he was having a great harvest until his catch