Predictors for Small Mammals in Plague-Endemic Villages in China
Author Information
Author(s): Yin Jia-Xiang, Geater Alan, Chongsuvivatwong Virasakdi, Dong Xing-Qi, Du Chun-Hong, Zhong You-Hong, McNeil Edward
Primary Institution: Yunnan Institute of Endemic Disease Control and Prevention
Hypothesis
What factors predict the presence and abundance of small mammals in households of villages endemic for rodent plague?
Conclusion
The study found that food availability and the presence of cats significantly reduced small mammal captures, while other factors varied in their effects.
Supporting Evidence
- Keeping cats reduced captures of Rattus flavipectus by 60 to 80%.
- Food stored in sacks led to more small mammal captures compared to metal drums.
- Households of the Dai ethnic group had higher captures than those of the Han and other ethnic groups.
- Vegetables grown around houses reduced captures of small mammals significantly.
- An outside toilet and garbage piles near the house reduced captures of R. flavipectus.
Takeaway
This study looked at what makes small animals, like rats, more or less likely to be found in homes in areas where plague is common. Keeping cats and storing food properly helps keep them away.
Methodology
A cross-sectional study was conducted in 600 households, where small mammals were trapped and various household and village-level factors were assessed.
Potential Biases
Potential biases may arise from self-reported data on sightings and household characteristics.
Limitations
The study's cross-sectional design may not capture seasonal variations in small mammal populations.
Participant Demographics
75% of households belonged to the Dai ethnic group, 97% were farming families, and 69% had an annual family income of less than 8,000 RMB.
Statistical Information
P-Value
0.02
Confidence Interval
1.10–2.66
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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