Oral fluid testing can be used to monitor xenotransplant donor herds for porcine cytomegalovirus/roseolovirus status
2024

Using Oral Fluid to Monitor Virus in Pig Donor Herds

Sample size: 37 publication 10 minutes Evidence: moderate

Author Information

Author(s): Schommer Susan K., Samuel Melissa S., Whitworth Kristin M., Byrne Addison K., Wells Kevin D., Prather Randall S.

Primary Institution: University of Missouri

Hypothesis

Can oral fluid testing effectively monitor porcine cytomegalovirus/roseolovirus status in xenotransplant donor herds?

Conclusion

Oral fluid testing can effectively verify that pig herds are free from porcine cytomegalovirus/roseolovirus.

Supporting Evidence

  • Oral fluid samples were collected from pigs and tested for the virus using real-time PCR.
  • Testing detected 71% of positive animals when using both oral fluid and blood samples.
  • All pens of young pigs tested positive for the virus using pooled oral fluid samples.

Takeaway

Scientists found that testing pig saliva can help check if they have a virus that could make organ transplants unsafe.

Methodology

The study used real-time PCR to test oral fluid and blood samples from pigs, comparing results to postmortem spleen samples.

Potential Biases

Potential bias in sample selection as pigs were selected based on herd needs.

Limitations

The study's findings may not be generalizable to all pig herds due to specific conditions at the research facility.

Participant Demographics

Pigs included both wild-type and genetically modified animals, aged from 6 weeks to over 2 years.

Digital Object Identifier (DOI)

10.3389/fvets.2024.1471184

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