Seroepidemiology for Orthorubulavirus suis in Mexican Pigs
Author Information
Author(s): Lara-Romero Rocío, Cerriteño-Sánchez José Luis, Castañeda-Montes María Azucena, Ramírez-Mendoza Humberto, Cuevas-Romero Julieta Sandra
Primary Institution: Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias
Hypothesis
The study aims to develop an indirect ELISA test with high sensitivity and specificity using the recombinant NP protein of LPMV as an antigen.
Conclusion
The study found that 45% of serum samples from pigs in central Mexico were positive for antibodies against LPMV, indicating the virus may be circulating in the region.
Supporting Evidence
- The indirect ELISA showed a sensitivity of 98.7% and specificity of 98.1%.
- 45% of serum samples tested positive for antibodies against LPMV.
- Seropositivity rates varied significantly across different states in Mexico.
- The recombinant NP protein was confirmed to be antigenically recognized by antibodies from infected pigs.
- Indirect immunofluorescence confirmed the presence of antibodies in positive serum samples.
Takeaway
Researchers created a test to find out if pigs in Mexico have been exposed to a virus that causes blue eye disease, and they found that many pigs have been infected.
Methodology
The study involved producing a recombinant protein in E. coli, purifying it, and using it in an indirect ELISA to test serum samples from pigs.
Potential Biases
Potential bias in sample selection as only certain farms and regions were included.
Limitations
The study may not represent all regions of Mexico as samples were only taken from specific states.
Participant Demographics
Serum samples were collected from pigs aged 5 to 7 months from various farms in central Mexico.
Statistical Information
P-Value
0.0001
Confidence Interval
Not provided
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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