Table 1.

Patterns of antibiotic resistance of fecal streptococci from known sources

Drug and concn (μg/ml)% Resistant isolates from each sourcea
Beef cows (n = 1,398)Chickens (n = 824)Dairy cows (n = 728)Deer (n = 1,245)Humans (n = 1,579)Waterfowl (n = 1,284)
Chlortetracycline
  40190170781
  6006880390
Erythromycin
   718940901
  1507700760
Neomycin
  1021001000540
  4009888040
Oxytetracycline
  1090100100389897
  30801008808445
  6012100810565
 100095760140
Streptomycin
  10961001005910097
  3073969629679
  4525895029131
  603732008212
 10016510250
Tetracycline
  1581100800872
  3013100790811
 100098670120
  • a n, total number of isolates from each source.