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1.3 A worldwide problem?

Farm prevalence studies in many countries throughout Europe, Asia and North America have now indicated that a quarter to one half of pig farms surveyed has had a serious recent problem with Ileitis. Serologic evidence of exposure suggests over 90% of farms in most countries harbour the organism. The prevalence of infection of pigs within an affected farm is varying from 5 to 7% of growing and finishing pigs during a disease episode (McOrist et al. 2003). Lawsonia intracellularis and the associ­ated disease, proliferative enteropathy, are very common, affecting pigs raised under various management systems around the world: exten­sive and intensive, single and multiple site. The organism and the disease have been detected in all regions of all countries where pigs are raised. There is therefore an urgent need to examine the important features of clinical signs, diagnosis, therapy and control now that major advances are taking place in the tools available for investi­gation (ELISA, PCR).

COPYRIGHT NOTICE: ILEITIS TECHNICAL MANUAL 3.0
© Boehringer Ingelheim Animal Health GmbH, 2006
All rights reserved. No part of this Technical Manual 3.0 may be reproduced or transmitted in any form or by any means, electronic or photocopy, without permission in writing from Boehringer Ingelheim Animal Health GmbH.

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