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Post-milking iodine teat skin disinfectants: 2. New intramammary infection rates

Published online by Cambridge University Press:  01 June 2009

Richard F. Sheldrake  and
Roderic J. T. Hoare
Richard F. Sheldrake
Affiliation:
New South Wales Department of Agriculture, Veterinary Research Station, Glenfield, N. S. W. 2167, Australia
Roderic J. T. Hoare
Affiliation:
New South Wales Department of Agriculture, Veterinary Research Station, Glenfield, N. S. W. 2167, Australia
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Summary

Use of an iodine teat dip containing 5000 mg available iodine/l (mg avI/l) resulted in a significant reduction in the number of new Staphylococcus aureus infections in a lactating herd, while no significant reduction was found with a disinfectant containing only 1000 mg avI/l. When Streptococcus dysgalactiae was used as the challenge organism, the rate of new infection was extremely low, and no reduction in levels of new infection were found with either disinfectant. The pathogenicity of the Str. dysgalactiae strain was high, as 60 % of the quarters becoming infected produced clinical symptoms.

Type
Original Articles
Information
Journal of Dairy Research , Volume 47 , Issue 1 , February 1980 , pp. 27 - 31
Copyright
Copyright © Proprietors of Journal of Dairy Research 1980

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References

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