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J. Dairy Sci. 88:426-432
© American Dairy Science Association, 2005.

Efficacy of Two Iodine Teat Dips Based on Reduction of Naturally Occurring New Intramammary Infections

C. J. Foret1, C. Corbellini2, S. Young3 and P. Janowicz1

1 DeLaval Inc., Kansas City, MO 64153
2 Proyecto Lechero, E.E.A INTA Pergamino, Buenos Aires, Argentina
3 PONCyT, Proyecto BID 1201-OC-AR-PICT 08-03371

Corresponding author: Chris Foret, e-mail: chris.foret{at}DeLaval.com.

The efficacy of 2 teat dips, product 1 (Della Care with 5 to 8 ppm of free iodine, used as a positive control) and product 2 (New Della Care with 12 to 16 ppm of free iodine), was compared using a natural exposure trial on dairy cattle. The trial was based on National Mastitis Council guidelines and performed over 9 mo. Both teat dips contained 0.25% iodine. Product 2 reduced the infection rate 57.6% for major pathogens and 53.7% for minor pathogens, compared with the positive control. Product 2 gave highly significant reductions for Staphylococcus aureus, coagulase-negative staphylococci, and Corynebacterium bovis. Teat skin, teat ends, and teat hyperkeratosis were evaluated during trial. No significant difference in teat condition was observed between these 2 products.

Key Words: iodine • teat dip • free iodine • intramammary infection

Abbreviation key: NMC = National Mastitis Council.




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C. Foret, H. Aguero, and P. Janowicz
Efficacy of two barrier iodine teat dips under natural exposure conditions.
J Dairy Sci, June 1, 2006; 89(6): 2279 - 2285.
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