Article Text

Antibiotic sensitivity of bovine staphylococcal and coliform mastitis isolates over four years
  1. DP Mackie,
  2. EF Logan,
  3. DA Pollock and
  4. SP Rodgers
  1. Department of Agriculture, Veterinary Research Laboratories, Stormont, Belfast.


Eight hundred and forty-eight strains of Staphylococcus aureus and coliforms isolated from milk samples taken from cows with clinical or subclinical mastitis were tested for their sensitivity to a range of antibiotics, comparing strains isolated in 1984, 1985, 1986 and 1987. The only increase in the proportion of resistant strains occurred with coliforms resistant to ampicillin and neomycin.

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