#2 – Impact of Chlorine Dioxide on Bacterial Counts
The study compared the ability of the teat scrubber system to remove bacteria from teats cleaned using the automated teat scrubber as compared to teats prepared using conventional methods (forestrip, predip with 0.5% iodine, dry).
Teat skin swabs were taken before and after preparation and analyzed for different bacterial counts (Total Bacterial Count, Streptococcus spp., Staphylococcus spp. and Gram-negative Bacteria). Reduction for each bacterial count was calculated as the difference between the samples collected before and after preparation.
For teats that were cleaned using the automated teat scrubber system, the concentration of chlorine dioxide was extremely important and found to significantly influence the teat scrubber’s cleaning performance. Results from our analysis indicate that as the concentration of chlorine dioxide increased, the reduction in bacterial counts also increased. The FutureCow TeatScrubber prep system can be as effective in reducing bacterial counts on teats (or more effective for Gram negative bacteria) when the concentration of chlorine dioxide is kept at >500 ppm.
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