More accurate gilt testing needed to detect Mycoplasma hyopneumoniae

Alyssa Betlach -DVM, veterinarian with Swine Vet Center and graduate student at the University of Minnesota- talks in Pig Health Today® about differences in the ability to detect Mycoplasma hyopneumoniae based on sample types.

Highlights

  • Transmission of M. hyopneumoniae is very slow compared to other pathogens. Gilts and sows have a critical role in the transmission of M. hyopneumoniae
  • Accurate gilt surveillance is key in those sow herds seeking negative M. hyopneumoniae status.
  • To detect M. hyopneumoniae, the laryngeal swabs and deep tracheal catheters are more accurate than other sample types during the early stage of infection.
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PCR detection of Mycoplasma hyopneumoniae in piglet processing fluids in the event of a clinical respiratory disease outbreak

Dr. Vilalta and collaborators from the University of Minnesota provide new insights for the potential use that processing fluid (PF) may have to detect M. hyopneumoniae in breeding farms by bringing us a clinical case published in VetRecord Case Reports.

Highlights

  • Genetic material of Mycoplasma hyopneumoniae from PF was quantified by real-time PCR.
  • The origin of M. hyopneumoniae genetic material detected in PF needs to be clarified.
  • Processing fluids are a potential sample to detect M. hyopneumoniae in breeding herds.
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Graduate student spotlight: Dr. Alyssa Betlach

Recently, Dr. Alyssa Betlach was featured as a Farm Journal’s PORK’s Up & Coming Leaders. Betlach is currently pursuing her PhD with Dr. Maria Pieters on Mycoplasma hyopneumoniae while working as an associate swine veterinarian with Swine Vet Center in St. Peter, MN.  

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What are the best diagnostic tools for tracking Mycoplasma hyopneumoniae in swine?

M. hyopneumoniae causes one of the swine industry’s most devastating diseases—a chronic, infectious pneumonia that can cause respiratory distress and lung lesions in pigs. It can also severely slow pig growth. In order for producers and veterinarians to best measure the success of their disease control and elimination efforts, they need to be able to detect the pathogen in live pigs. However, many diagnostic tools can be unreliable. Dr. Maria Pieters’ lab at the University of Minnesota College of Veterinary Medicine recently led a study to decipher the reliability of two tools, laryngeal swabs and deep tracheal catheters, in detecting the pathogen.

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Survival analysis of two Mycoplasma hyopneumoniae eradication methods

In this new article published in the Preventative Veterinary Medicine journal, Dr. Paul Yeske from Swine Vet Center in collaboration with Dr. Maria Pieters from the University of Minnesota share a survival analysis of two different eradication methods for Mycoplasma hyopneumoniae in farrow-to-wean farms.

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