Correlation of Lawsonia intracellularis positivity in quantitative PCR and herd factors in European pig herds

Autor: Mirjam Arnold, Annelies Crienen, Hanny Swam, Stephan v. Berg, Rika Jolie, Heiko Nathues
Jazyk: angličtina
Rok vydání: 2021
Předmět:
Zdroj: Porcine Health Management, Vol 7, Iss 1, Pp 1-8 (2021)
Druh dokumentu: article
ISSN: 2055-5660
DOI: 10.1186/s40813-021-00192-4
Popis: Abstract Background Lawsonia intracellularis is causing diarrhea, poor growth and sudden death in pigs. It can be found in most pig populations leading to large economic losses worldwide. Many potential risk factors for the occurrence of disease or seropositivity have been described. The current study therefore focused on herd characteristics in European countries associated with direct detection of the pathogen determined by quantitative polymerase chain reaction. Results A median number of less than 30 nursery pigs per pen was correlated to less positive nursery pigs (p
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