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Louisiana State University Agricultural Center, Louisiana Agriculture Experiment Station, Hill Farm Research Station, Homer 71040
ABSTRACT
Two new teat dip formulations were evaluated against Streptococcus agalactiae and Staphylococcus aureus in half-udder, experimental challenge studies. The first product contained a combination of 1.9% linear dodecyl benzene sulfonic acid— .55% iodophor.1 Incidence of infection was reduced 52.7 and 70.7% for Streptococcus agalactiae and Staphylococcus aureus in dipped quarters compared to undipped controls. The second formulation was a barrier-type product consisting of milk protein solubilized with lauryl sulfate, a surface active detergent and 4.8% glycerin. Rates of infection were reduced 60.3 and 67.9% tor Streptococcus agalactiae and Staphylococcus aureus.
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