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United Kingdom

M.HYO:

THE CAUSE OF ENZOOTIC PNEUMONIA

Three pigs indoors

 

Mycoplasma hyopneumoniae (M. hyo) is the cause of Enzootic Pneumonia (EP) which is a highly prevalent and costly disease in pigs. M. hyo is easily spread from the sow, between pigs within a building, and via airborne transmission over 3km1.

ENZOOTIC PNEUMONIA CAN BE COSTLY

Enzootic Pneumonia is present in around 80% of the UK pig herd2. Clinical signs include1:

  • Dry cough

  • Sneezing

  • Mild fever

Enzootic Pneumonia is often thought of as the gatekeeper to respiratory health as it exacerbates other diseases such as Porcine Reproductive and Respiratory Syndrome (PRRS) and Flu, leading to severe pneumonia and pleurisy1

IMPACT ON PRODUCTION PARAMETERS

Although mortality is usually low, when Enzootic Pneumonia takes hold, the economic effects can be serious1,3:

  • Daily weight gain can be reduced by 17.4%4

  • Feed conversion rate (FCR) can be increased by 14%4

 

 

References
1. Taylor, D. (2006) Pig Diseases, 8th edition.
2. Investigation of factors influencing the prevalence of Enzootic Pneumonia like lesions in the BPEX Pig Health Scheme. http://www.bpex.org.uk/R-and-D/funding/RD2012_PE4.aspx, accessed Feb 2014.
3. Baekbo et al. (2002). IPVS, Ames, Paper 103.
4. Straw et al. (1985). JAVMA 195, 12, pp. 1702-1706.

FARMERS, VETS, SQPs

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