Four serologic surveys confirm Lawsonia intracellularis continues to be highly prevalent in Midwestern United States pig flows

Payne, BrianLuebbe, Jeff2013-06-252013-06-252012-09-15https://hdl.handle.net/11299/151712en-USswinepigherd healthFour serologic surveys confirm Lawsonia intracellularis continues to be highly prevalent in Midwestern United States pig flowsConference Paper