Biosecurity Measures to Reduce Salmonella and Hepatitis E Virus in Pig Farms
Author Information
Author(s): Huber Nikolaus, Meester Marina, Sassu Elena L., Waller Elisabeth S. L., Krumova-Valcheva Gergana, Aprea Giuseppe, D’Angelantonio Daniela, Zoche-Golob Veit, Scattolini Silvia, Marriott Emily, Smith Richard P., Burow Elke, Carreira Guido Correia
Primary Institution: University of Veterinary Medicine, Vienna, Austria
Hypothesis
Can biosecurity measures effectively reduce the prevalence of Salmonella spp. and hepatitis E virus in pig farms?
Conclusion
The study found that certain biosecurity measures, like feed and water acidification and rodent control, significantly reduce the odds of Salmonella spp. presence on farms.
Supporting Evidence
- Acidification of feed and water significantly reduced Salmonella spp. presence.
- Rodent control was also effective in lowering Salmonella spp. odds.
- High risk of bias was noted in the majority of studies reviewed.
- Only a few biosecurity measures had sufficient data for meta-analysis.
- Biosecurity measures are crucial for preventing zoonotic diseases in pig farming.
Takeaway
This study looked at ways to keep pigs healthy by using special cleaning methods to stop germs from spreading. Some methods worked really well!
Methodology
The study systematically reviewed and analyzed 32 articles on biosecurity measures against Salmonella spp. and hepatitis E virus in pig farms.
Potential Biases
High risk of bias was identified in the majority of studies, mainly due to selection and performance bias.
Limitations
Many biosecurity measures were supported by only a single observation, limiting the assessment of their true effectiveness.
Participant Demographics
The studies included pig farms from Europe, the United States, and Canada.
Statistical Information
P-Value
0.22 for rodent control, 0.26 for feed acidification, 0.25 for water acidification
Confidence Interval
0.17–0.39 for feed acidification, 0.17–0.36 for water acidification, 0.10–0.45 for rodent control
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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