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Abstract
The study evaluated Chlorine dioxide (ClO2) treatment in drinking water on Salmonellaand Campylobacter in broiler flocks. Four flocks were evaluated: control breeders and broilers
(C-C), control breeders with ClO2-treated broilers (C-T), ClO2-treated breeders with control
broilers (T-C), and ClO2-treated breeders and broilers (T-T). Boot and drag swabs, litter, beetles,
feed, and water samples were collected on days 0, 21, 35, and 49. ClO2-treated broiler flocks had
lower (p≤0.05) aerobic bacteria compared to control flocks. Water samples from treated flocks
were negative for coliforms, and E. coli. Salmonella was prevalent in all boot swabs, drag swabs,
and litter samples from days 21, 35, and 49 and absent in water. Campylobacter prevalence was
age-dependent and showed no difference (p>0.05) between any flocks by day 49. ClO2 treatment
sanitized drinking water but did not affect Salmonella and Campylobacter prevalence in broiler
flocks.