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Table 2 The effectiveness of teat seal plus lacticin (32,768 AU/4 g teat seal) in eliminating Staphylococcus aureus DPC5246 from artificially infected udder quarters of lactating cows compared with untreated controls. Shedding was evaluated 18 h after inoculation of S. aureus

From: Update on the development of a novel dry cow therapy using a bismuth-based intramammary teat seal in combination with the bacteriocin lacticin 3147

Treatment Inoculum (cfu per 0.1 ml) Quarters inoculated (n) Quarters shedding S. aureus
Untreated 1.7 × 103 29 19 (66%)a
Teat seal + lacticin   29 4 (14%)b
Untreated 6.8 × 103 20 16 (80%)
Teat seal + lacticin   20 11 (55%)
  1. a,b Values with different superscripts within an experiment are significant P <0.001.