Spatial Distribution of Swine Cysticercosis in Rural Mexico
Author Information
Author(s): Morales Julio, Martínez José Juan, Rosetti Marcos, Fleury Agnes, Maza Victor, Hernandez Marisela, Villalobos Nelly, Fragoso Gladis, de Aluja Aline S., Larralde Carlos, Sciutto Edda
Primary Institution: Facultad de Medicina Veterinaria y Zootecnia, Universidad Nacional Autónoma de México
Hypothesis
Is the risk of cysticercosis infection clustered or widely dispersed in a limited rural area?
Conclusion
The study found that the risk of porcine cysticercosis is widely dispersed rather than clustered in specific households.
Supporting Evidence
- 13.3% of the 562 pigs examined were found to have cysticercosis.
- Prevalence varied significantly between villages, ranging from 0% to 33.3%.
- Free-ranging pigs and lack of latrines were associated with higher rates of cysticercosis.
Takeaway
This study looked at pigs in Mexico to see if they get sick from a parasite. It found that the sick pigs are spread out everywhere, not just in certain homes.
Methodology
A spatial analysis of porcine cysticercosis was conducted in 13 villages, examining 562 pigs for cysticerci on their tongues.
Potential Biases
Potential bias in diagnosis due to reliance on tongue inspection, which may miss some cases.
Limitations
The study may not represent all rural regions of Mexico due to local variations in demographics and geography.
Participant Demographics
Pigs from 13 villages in the Sierra de Huautla region, with a mix of native and mixed breed pigs.
Statistical Information
P-Value
0.003
Confidence Interval
[95% CI, 13.27%–13.33%]
Statistical Significance
p=0.003
Digital Object Identifier (DOI)
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