Enhancing biosecurity measures in livestock is a necessary prerequisite for producing animal merchandise with the best ranges of security and high quality. In Japan, 70% of the mortalities post-weaning are attributed to respiratory pathogens. The analysis has proven that microorganisms, together with each viruses and micro organism, don’t merely float within the air independently. As a substitute, they unfold by adhering to aerosols. Due to this fact, bettering the management of aerosol dissemination turns into a vital technique for decreasing pathogenic masses and boosting the general effectivity of livestock manufacturing. This examine centered on decreasing concentrations of aerosol particles, airborne microbial concentrations, and airborne mass concentrations by spraying ozone resolution with an ultrasonic sprayer.
Strategies: The experiments have been performed at a farm in Fukushima Prefecture, Japan, recognized for its built-in administration system, overseeing a herd of 200 sows. Nanobubble ozone water particles have been dispersed utilizing an ultrasonic sprayer, which allowed the particles to stay airborne considerably longer than these dispersed utilizing an ordinary nozzle, at a price of 30 mL per weaning pig 49 days outdated, for a ten min interval. This process was adopted by a ten min pause, and the cycle was repeated for 17 days. Measurements included concentrations of airborne micro organism, aerosol mass, and aerosol particles.
Outcomes: The findings demonstrated a considerable discount in airborne microbial concentrations of Escherichia coli and Staphylococcus aureus within the handled space in comparison with the management, with reductions reaching a peak of 85.7% for E. coli and 69.5% for S. aureus. Aerosol particle sizes starting from 0.3–0.5 µm, 0.5–1.0 µm, 1.0–2.0 µm, 2.0–5.0 µm, to five.0–10.0 µm have been monitored, with a notable lower in concentrations amongst bigger particles.
Conclusion: The typical aerosol mass focus within the take a look at space was over 50% decrease than within the management space.
Yoshino T, Ikeguchi A. Mitigation of Aerosol and Microbial Focus in a Weaning Piggery by Spraying Nanobubble Ozone Water with an Ultrasonic Sprayer. Animals. 2024; 14(5): 657. https://doi.org/10.3390/ani14050657
