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  • Evaluation of a chlorous acid-chlorine dioxide teat dip under experimental and natural exposure conditions.

Evaluation of a chlorous acid-chlorine dioxide teat dip under experimental and natural exposure conditions.

Journal of dairy science (1990-08-01)
P A Drechsler, E E Wildman, J W Pankey
ABSTRACT

A postmilking teat dip containing chlorous acid-chlorine dioxide was evaluated by experimental challenge and in two herds under natural exposure. The test product had an efficacy of 78.9% against Staphylococcus aureus and 52.5% against Streptococcus agalactiae in the experimental challenge trial. The product was compared with a 1% iodine product in a 15-mo natural exposure study. Post-dipping with chlorous acid-chlorine dioxide reduced incidence of udder infection by major mastitis pathogens 36.1% when data were combined from the two herds. The 1% iodine and the chlorous acid-chlorine dioxide products were not equivalent for major mastitis pathogens; the test product was more effective. Incidence of udder infection by environmental mastitis pathogens was reduced 36.8% in both herds combined. Efficacy of the two teat dips was equivalent for environmental pathogens.

MATERIALS
Product Number
Brand
Product Description

Sigma-Aldrich
Sodium chlorite, technical grade, 80%
Sigma-Aldrich
Sodium chlorite, puriss. p.a., 80% (RT)